| title | developer | year | game type | | pop. |
|---|
| I Am Alive | Darkworks;Ubisoft Montreal;Ubisoft Shanghai | 2012 | Windows | action/reflex | image | subject | label | |
| I am Bread | Bossa Studios | 2015 | Windows | simulation | | | label | |
| I am Setsuna | Tokyo RPG Factory | 2016 | Windows | action/reflex Fantasy | image | | label | |
| I fell from Grace | Deep Taiga | 2017 | Windows | | | | | |
| I Have Mine | Janis | 2000 | Windows | adventure Manga | image | | | |
| I like the Flowers | Red twice potato | 2019 | Windows | adventure puzzle Manga | | subject | label | |
| I MAED A GAM3 W1TH Z0MBIES 1N IT!!!1 | Ska Studios | 2021 | Windows | shooter | image | | label | |
| I Misteri di Maggia: Il tesoro dei Templari | Stelex Software | 2004 | Windows | adventure | | | | |
| I must kill...: Fresh Meat | Gaming Cats Studio | 2015 | Windows | | | | | |
| I Shall Remain | ? | 2012 | Windows | shooter role-play Horror | | | label | |
| I Wanna Be The Fangame | tijital-games | 2010 | Windows | action/reflex platformer Cartoon | image | | label | |
| I Wanna Be The Guy | Kayin | 2008 | Windows | action/reflex platformer Cartoon | image | subject | label | |
| I Wanna Be The Guy: Gaiden | Kayin | 2012 | Windows | action/reflex platformer | image | subject | label | |
| I Wanna Save the Kids | Kayin | ? | Windows | Cartoon | image | | label | |
| I want an Identity | Akkad Estudios | 2014 | Windows | | | | | |
| I Want Out! | author | 2017 | Windows | | | | | |
| I Want to Get Married | Chara | ? | Windows | simulation Manga | image | | | |
| I want to protect you - My Dear Master | Atorie Kaguya | 2001 | Windows | adventure Manga | image | subject | | |
| I Was An Atomic Mutant | Canopy Games | 2003 | Windows | action/reflex Science Fiction | image | | label | |
| I Will Escape | Blue Label Studio | 2014 | Windows | action/reflex adventure | | | label | |
| I Wish | Janis | 1999 | Windows | adventure Manga | image | | | |
| I-Fluid | Exkee | 2008 | Windows | action/reflex platformer | image | subject | label | |
| I-Ninja | Argonaut Games | 2003 | Windows | action/reflex | | | | |
| I-War | Particle Software | 1997 | Windows | simulation flight adventure Science Fiction | image | | label | |
| I'm Gonna Serve You 4 | G-Collections | 2003 | Windows | adventure Manga | image | | | |
| I'm not a Monster | Cheerdealers | 2018 | Windows | strategy role-play Science Fiction | | | label | |
| i'm not alone | Pixel Revolution | 2010 | Windows | action/reflex adventure Fantasy | image | | label | |
| I'm O.K - A Murder Simulator | Thompsonsoft | 2005 | Windows | shooter Humorous | image | | label | |
| I'm Your Man | Interfilm | 1998 | Windows | | | | | |
| I've Got Some Balls | Shatterstorm? | 1999 | Windows | action/reflex | image | | label | |
| Ibb & Obb | Sparpweed | 2014 | Windows | platformer puzzle | | | label | |
| Ibiza Babewatch | Redfire Software | 2001 | Windows | manag./econ. Cartoon | image | | label | |
| Ibiza Comic Poker | Blackstar | 2000 | Windows | casino/cards Erotic | image | | | |
| iBomber Defense | Cobra Mobile | 2011 | Windows | strategy | image | subject | label | |
| iBomber Defense Pacific | Cobra Mobile | 2012 | Windows | strategy | image | subject | label | |
| Icarus: Sanctuary of The Gods | KRGsoft | 1998 | Windows | adventure role-play Fantasy | image | | label | |
| ICC Cricket World Cup England 99 | The Creative Assembly | 1999 | Windows | sport | | | label | |
| Ice Age 2: The Meltdown | Vivendi Universal | 2006 | Windows | platformer Manga | | | label | |
| Ice Age: Continental Drift - Arctic Games | Behaviour Interactive | 2013 | Windows | adventure | | | label | |
| Ice Age: Dawn of the Dinosaurs | Activision | 2009 | Windows | platformer Cartoon | | | label | |
| Ice Cream Tycoon | ? | ? | Windows | simulation | image | | | |
| Ice Lakes | Iceflake Studios | 2016 | Windows | simulation | | subject | label | |
| Icewind Dale | Black Isle Studios | 2000 | Windows | adventure role-play Fantasy | image | subject | label | |
| Icewind Dale - Heart of Winter | Black Isle Studios | 2001 | Windows | adventure role-play Fantasy | image | | label | |
| Icewind Dale - Heart of Winter: Trials of the Luremaster | Black Isle Studios | 2001 | Windows | adventure role-play Fantasy | image | | label | |
| Icewind Dale II | Black Isle Studios | 2002 | Windows | adventure role-play Fantasy | image | subject | label | |
| ICEY | Shanghai FantaBlade Network Technology | 2016 | Windows | beat 'em up Science Fiction | | | label | |
| Ichi | Stolen Couch Games | 2012 | Windows | action/reflex puzzle | image | | label | |
| Ichigo-Da!! | Witch | 2001 | Windows | adventure Manga | image | subject | | |
| Icon Angriff | Media Verlag | 2002 | Windows | shooter | image | | label | |
| Iconoclasts | author | 2018 | Windows | action/reflex adventure | image | | label | |
| Icy Tower | Free Lunch Design | 2001 | Windows | action/reflex platformer | image | | | |
| Idinaloq | Namikaze Project | 2000 | Windows | shooter Manga | image | | label | |
| Idle Dungeon | MagicJellyGames | 2024 | Windows | role-play | image | subject | label | |
| Idol ☆ Revolution | Siesta | 2008 | Windows | adventure | image | | label | |
| Idol Janshi Suchie Pai 3 | Harvest | ? | Windows | board game Manga | image | | label | |
| Idol Janshi Suchie Pai Special | MediaKite | ? | Windows | board game Manga | image | | label | |
| Idol Koukai Chijoku Sex | Goku-Fero | 2009 | Windows | adventure | image | | label | |
| Idol Pafupafu Management -Geinou Musume o H ni Bust UP Producer- | Atelier Kaguya CheshireCat | 2016 | Windows | adventure | image | | label | |
| Idol Shodown | Besto Games Team | 2023 | Windows | fighting Manga | | | label | |
| Idol Yukiho no Wan-chan Panic! | Fluorite | 2008 | Windows | adventure | image | | label | |
| Idols Galore | Sekilala | 2002 | Windows | simulation Manga | image | | | |
| Iede Kissa ~Anata no Booth de Kasegasete~ | Parthenon | 2011 | Windows | adventure | image | | label | |
| Iesabel | Madman Theory Games | 2013 | Windows | action/reflex role-play Fantasy | image | | label | |
| If Fusion Were That Easy | Golden Coin Games | 2022 | Windows | | | | | |
| If On A Winter's Night, Four Travelers | Dead Idle Games | 2021 | Windows | adventure | | subject | label | |
| If you win... you lose ! | author | 2022 | Windows | platformer | | | label | |
| iF-22 Raptor | Interactive Magic | 1997 | Windows | simulation | | | label | |
| iF-22 V5 | interactive Magic | 1998 | Windows | flight simulation 3D | | | label | |
| iF/A-18E Carrier Strike Fighter | Interactive Magic | 1998 | Windows | simulation flight | | | label | |
| Ifrit | ZAC Soft | 2003 | Windows | shooter Science Fiction | image | | | |
| Ignac | Maniac Entertainment | 1998 | Windows | | | | | |
| Ignite | Nemesys Games | 2011 | Windows | racing/driving | | | | |
| Ignition | UDS | 1997 | Windows | racing/driving | image | | label | |
| Iji | Remar Games | 2008 | Windows | action/reflex adventure Science Fiction | image | subject | label | |
| Ijira Rental ~Eroama Onee-san ni Kashidasarechatta!!~ | Atelier Kaguya HonkyTonk Pumpkin | 2011 | Windows | adventure | | | label | |
| Ikeda: The Scrap Hunter E.P | author | 2019 | Windows | action/reflex platformer | | subject | label | |
| Ikenai Oshigoto | Black Package | 2002 | Windows | adventure | image | | label | |
| Ikinari Happy Bell | Terios | 2002 | Windows | adventure Manga | image | | | |
| Iku-nyuushu - Genjuuya Advance Episode | Pink Soft | ? | Windows | simulation Manga | | | | |
| Ikusa Megami | Eushully | 1999 | Windows | role-play Manga | image | | label | |
| Ikusa Megami 2 ~Ushinawareshi Kioku he no Sankonka~ | Eushully | 2002 | Windows | role-play Manga | image | | label | |
| Ikusa Megami Verita | Eushully | 2010 | Windows | role-play Manga | image | | label | |
| Ikusa Megami Zero | Eushully | 2008 | Windows | role-play Manga | image | | label | |
| Ikusa Otome Angela ~Kyodai Monster ni Kojiakerareta Seiiki | MorningStar | 2012 | Windows | adventure | image | | label | |
| Ikusabi | Talisman | 2005 | Windows | role-play Manga | image | | | |
| Il Filo Conduttore | Playables | ? | Windows | | image | subject | label | |
| IL-2 Sturmovik | 1C:Maddox Games | 2001 | Windows | simulation flight Historical | | | label | |
| IL-2 Sturmovik: 1946 | 1C:Maddox Games | 2006 | Windows | simulation flight Historical | image | | label | |
| IL-2 Sturmovik: Cliffs of Dover | 1C:Maddox Games | 2011 | Windows | simulation flight Historical | | subject | label | |
| IL-2 Sturmovik: Fall Blau | Koch Media | 2004 | Windows | simulation flight Historical | | | label | |
| IL-2 Sturmovik: Forgotten Battles - Ace | 1C Company | 2004 | Windows | simulation flight Historical | | | label | |
| IL-2 Sturmovik: Forgotten Battles | 1C:Maddox Games | 2003 | Windows | action/reflex simulation flight Historical | | | label | |
| IL-2 Sturmovik: Operation Barbarossa | Just Flight | 2003 | Windows | simulation flight Historical | | | label | |
| IL-2 Sturmovik: Pe-2 | Ubisoft | 2006 | Windows | simulation flight Historical | | | label | |
| illie | NedoStudio | 2017 | Windows | puzzle | | subject | label | |
| Illusia: Quest for the Eternals | Living Mask Productions | 1998 | Windows | role-play Fantasy | image | | label | |
| Illusion Field | Fulltime | 2012 | Windows | simulation Manga | image | | | |
| Ilya Muromets and Nightingale the Robber | PIPE Studio | 2007 | Windows | | | | | |
| Im Namen des Gesetzes | RTL Playtainment | 2005 | Windows | | | | | |
| iM1A2 Abrams | Charybdis | 1997 | Windows | simulation | | | label | |
| IMAGinE | The Argonauts | 2021 | Windows | | | | | |
| Imagine Earth | Serious Brothers | 2012 | Windows | | | | label | |
| Imitation Lover | Light | 2006 | Windows | adventure Manga | image | | | |
| Immoral | Blue Gale | 2004 | Windows | adventure Manga | image | | | |
| Immoral Study | Scoop Software | 2000 | Windows | adventure Manga | image | | label | |
| Immoral Study 2 | Scoop Software | 2000 | Windows | adventure Manga | image | | label | |
| Immoral Study 3 | Scoop Software | ? | Windows | adventure Manga | image | | label | |
| Immortal Cities: Children of the Nile | Tilted Mill Entertainment | 2004 | Windows | manag./econ. Historical | | | label | |
| Immortal Darkness: Curse of the Pale King | Giant Space Monster | 2018 | Windows | action/reflex role-play Fantasy | | subject | label | |
| Immortal Defense | Radical Poesis Games & Creations;Studio Eres | 2007 | Windows | action/reflex strategy | image | subject | label | |
| Immortal Empire | Tactic Studios | 2015 | Windows | strategy role-play turn-based Fantasy | | | label | |
| Immortal Planet | teedoubleuGAMES | 2017 | Windows | | | | | |
| Immortal Redneck | Crema | 2017 | Windows | shooter Fantasy | | | label | |
| Immortal: Unchained | Toadman Interactive | 2018 | Windows | action/reflex Fantasy | | | label | |
| IMMURE | Wither Studios | 2019 | Windows | | | | | |
| Imo & the King | Capital Multimedia | 1995 | Windows | adventure Cartoon | | | label | |
| Imo-bilizer! | Silver Bullet | 2012 | Windows | adventure | image | | label | |
| Imōtokansatsunikki | Triangle | 2002 | Windows | adventure | image | | label | |
| Imouto de Ikou! | 0verflow | 2002 | Windows | adventure | image | | label | |
| Imouto Haramasex | Parthenon | 2010 | Windows | adventure | image | | label | |
| Imouto Jiru | Atelier Kaguya BerkshireYorkshire | 2002 | Windows | adventure | image | | label | |
| Imouto ni Boukyaku no Shitone o ~Kenbou Ryoujoku~ | Parthenon | 2008 | Windows | adventure | image | | label | |
| Imouto Paradise! | Moonstone Cherry | 2010 | Windows | adventure Manga | image | | label | |
| Imouto Paradise! 2 | Moonstone Cherry | 2013 | Windows | adventure Manga | | | label | |
| Imouto Pet ~Premo~ | Shiritsu Sakuranbo Shougakkou | 2008 | Windows | adventure | image | | label | |
| Imouto Shinsatsu Nikki 2 | * | 2004 | Windows | adventure | image | | label | |
| Imouto-Kon | Radi | 2005 | Windows | adventure | image | | | |
| Impact Winter | Bandai Namco Games;Mojo Bones | 2017 | Windows | | | | | |
| Imperator: Rome | ? | 2019 | Windows | | | subject | | |
| Imperial Glory | Pyro Studios | 2005 | Windows | strategy Historical | image | | label | |
| Imperialism | Frog City Software | 1997 | Windows | strategy turn-based Historical | | | label | |
| Imperialism II: Age of Exploration | Frog City Software | 1999 | Windows | strategy turn-based Historical | | | label | |
| Imperium | MG Owners' Club | 1999 | Windows | strategy Science Fiction | | | | |
| Imperium Galactica II: Alliances | Digital Reality | 2000 | Windows | strategy Science Fiction | image | | label | |
| Imperium Romanum | SouthPeak Games | 2008 | Windows | strategy | | | | |
| Impire | Cyanide Montreal | 2013 | Windows | strategy Fantasy | | subject | label | |
| Impossible Creatures | Relic Entertainment | 2002 | Windows | strategy Science Fiction | image | subject | label | |
| In Between | Gentlymad | 2015 | Windows | platformer puzzle | | | label | |
| In Cold Blood | Revolution Software | 2001 | Windows | action/reflex adventure puzzle | image | | label | |
| In Cubation | New Phaze Development | 2007 | Windows | | | | | |
| In Flames | SevenTimes | TBA | Windows | | | | | |
| In Grandma's Attic | Interlynx Multimedia | 1996 | Windows | edutainment | | | label | |
| In Memoriam | Lexis Numerique | 2003 | Windows | adventure | | | label | |
| In Other Waters | Jump Over The Age | 2020 | Windows | adventure Science Fiction | image | | label | |
| In Sound Mind | We Create Stuff | 2021 | Windows | adventure Horror | | subject | label | |
| In the Aquarium: Sinking With Kana | FoxEye | 2019 | Windows | adventure | | | label | |
| In translation! | Illusion | 2011 | Windows | simulation Erotic | image | | label | |
| In Verbis Virtus | Indomitus Games | 2015 | Windows | action/reflex Fantasy | image | | label | |
| In'ei ~Frame no Naka no Tenshi~ | Penguin Works | 1999 | Windows | adventure | image | | label | |
| In'en no Yakata | Black Package Try | 2011 | Windows | adventure | image | | label | |
| In'yaku ~Haitoku no Kojin Jugyou~ | Mireille | 2002 | Windows | adventure | image | | label | |
| Inaho no Mirai | FlyingShine Black | 2006 | Windows | adventure | image | | label | |
| inbento | afterburn | ? | Windows | | image | subject | label | |
| Inbetween Land | Specialbit Studio | 2015 | Windows | adventure Science Fiction | | | label | |
| Inbi no Makoku | Buchi Devil | 2001 | Windows | simulation adventure Manga | image | subject | | |
| Inbou no Wakusei ~Hakai to Yokubou no Shoudou~ | Ankoku Gekijou | 2008 | Windows | adventure | image | | label | |
| Incarnatia | Media JuGGLer | 1997 | Windows | adventure Fantasy | image | | | |
| Incoming | Rage Software | 1998 | Windows | shooter Science Fiction | image | | label | |
| Incoming Forces | Rage Software | 2002 | Windows | shooter Science Fiction | image | | label | |
| Incoming: Subversion | Instant Access | 1998 | Windows | shooter | | | label | |
| Incredipede | Northway Games | 2012 | Windows | platformer puzzle Cartoon | image | | label | |
| Incubation: Hidden Worlds | Blue Byte | 1998 | Windows | strategy turn-based Horror | | subject | label | |
| Incubation: The Wilderness Missions | Blue Byte | 1997 | Windows | strategy turn-based Horror | image | | label | |
| Incubation: Time is Running Out | Blue Byte | 1997 | Windows | strategy turn-based Horror | image | | label | |
| Incursion | Julian Mensch | 2006 | Windows | role-play Fantasy | image | | label | |
| Inda | Hyperspace | 1999 | Windows | adventure | image | | label | |
| Inda 2002 | Hyper Space | 2001 | Windows | action/reflex Manga | image | subject | | |
| Independence Day | Radical Entertainment | 1997 | Windows | shooter flight Science Fiction | | | label | |
| Independence War 2: Edge of Chaos | Particle Systems | 2001 | Windows | simulation flight Science Fiction | image | | label | |
| Indiana Jones and the Emperor's Tomb | The Collective | 2003 | Windows | adventure Historical | | | label | |
| Indiana Jones and the Infernal Machine | LucasArts | 1999 | Windows | adventure | image | | label | |
| Indie Assault | Imagination Vent | 2015 | Windows | fighting | | | label | |
| Indie Game Battle | Blob Games Studio | 2015 | Windows | fighting | image | | | |
| Indigo | Bruno Bouzy | 2001 | Windows | board game | image | | label | |
| Industry Giant | Interactive Magic | 2000 | Windows | strategy | image | | | |
| Industry Giant 2 | JoWood Productions | 2002 | Windows | manag./econ. | | | label | |
| IndyCar Series | Codemasters | 2003 | Windows | | | | | |
| Inescapable | Magnetic Realms | 2013 | Windows | platformer Science Fiction | image | subject | label | |
| Inexistence | author | 2016 | Windows | action/reflex platformer Fantasy | | | label | |
| Infantaria | Circus | 2001 | Windows | adventure | image | | label | |
| Infantry Online | Harmless Games | 1999 | Windows | action/reflex | | | label | |
| Infection: Humanity’s Last Gasp | Criss Cross Games | 2015 | Windows | simulation | image | | label | |
| Infernal | Metropolis | 2007 | Windows | Fantasy | image | subject | label | |
| Inferno+ | Radian Games | 2012 | Windows | shooter | | | label | |
| Infestation | Frontier Developments | 2000 | Windows | action/reflex shooter Science Fiction | image | subject | label | |
| Infested Planet | Rocket Bear Games | 2014 | Windows | strategy Science Fiction | image | | label | |
| Infiltration | Sentry Studios | 2004 | Windows | shooter | | | label | |
| Infinifactory | Zachtronics Industries | 2015 | Windows | puzzle | | | label | |
| Infiniminer | Zachtronics Industries | 2009 | Windows | | image | | label | |
| Infinite Crisis | Turbine | 2015 | Windows | action/reflex Science Fiction | | | label | |
| Infinite Loop | Chaos Theory Games | 2014 | Windows | action/reflex puzzle | image | subject | label | |
| Infinite Mini Golf | Zen Studios | 2017 | Windows | action/reflex | image | | label | |
| Infinite Space III: Sea of Stars | Digital Eel | 2015 | Windows | action/reflex strategy Science Fiction | | | label | |
| Infinity | 7th Level | ? | Windows | | | | | |
| Infinity Online | Windysoft | 2006 | Windows | action/reflex beat 'em up role-play Fantasy | image | subject | label | |
| Infinity Runner | Wales Interactive | 2014 | Windows | action/reflex Science Fiction | image | | label | |
| Infinity String | Sektor 13 | 2007 | Windows | | | | | |
| Infinity UW Dungeon: Hades Vanquish | FoxEye | 2014 | Windows | platformer adventure | image | | label | |
| Infinity Wars | Lightmare Studios | 2014 | Windows | strategy turn-based Fantasy | image | subject | label | |
| InFlux | Impromptu Games | 2013 | Windows | platformer puzzle | | | label | |
| Informaticus | Heureka-Klett | 2003 | Windows | | | | | |
| Inframundo: La Senda de Dakoh | 4 Cats Games | 2022 | Windows | | | | | |
| ing II: Twilight of the Gods | Global Star Software | 2002 | Windows | | | | | |
| Inhabited Island | Wargaming.net | 2007 | Windows | strategy | image | | | |
| Inherent Evil: The Haunted Hotel | Eclipse Productions | 1999 | Windows | adventure Horror | image | | label | |
| Inherit the Earth: Quest for the Orb | Wyrmkeep Entertainment | 2003 | Windows | adventure Fantasy | | | label | |
| Initial D - Mountain Vengeance | ValuSoft | 2005 | Windows | racing/driving | image | | label | |
| Injoku Oshuu Labor ~Kimokute Niou Douryou ni Youshanaku Hame Sosogareta Niizuma Kenkyuuin Miyuki | MorningStar | 2011 | Windows | adventure | image | | label | |
| Injustice 2 | Warner Bros. Interactive Entertainment | 2017 | Windows | | | | | |
| Injustice: Gods Among Us - Ultimate Edition | NetherRealm Studios;High Voltage Software | 2013 | Windows | fighting Fantasy | image | | label | |
| INK | ZackBellGames | 2015 | Windows | platformer | | | label | |
| InkBall | Microsoft | 2004 | Windows | puzzle | | | label | |
| Inki no Su | Clione | 2001 | Windows | adventure | | | label | |
| Inkou Haden Amatsu ~Hakudaku no Juin~ | Atelier Kaguya DREIZEHN | 2006 | Windows | adventure | image | | label | |
| Inkvisitor | West Coast Entertainment | ? | Windows | adventure 3D | | | label | |
| Inline Race | Independent Arts;Ari Data | 1999 | Windows | racing/driving | | | label | |
| Inline Skating | Maus Software | 2001 | Windows | sport | | | label | |
| Inmates | Iceberg Interactive | 2017 | Windows | | | | | |
| inMomentum | Digital Arrow | 2011 | Windows | platformer racing/driving Science Fiction | image | subject | label | |
| Innai Kansen - Nurse Call in Midnight | ZyX | ? | Windows | puzzle Manga | image | | | |
| Innai Kansen - Voice Trip | ZyX | ? | Windows | adventure Manga | image | | | |
| Innai Kansen 2 - Naritomanu Nurse Call | ZyX | 1998 | Windows | puzzle Manga | image | | | |
| Inner Chains | Telepaths Tree | 2017 | Windows | shooter adventure Fantasy | image | | label | |
| Inner Space | PolyKnight Games | 2018 | Windows | adventure | | | label | |
| Inner Worlds | Sleepless Software | 1996 | Windows | platformer Fantasy | | | label | |
| InnerSpace | PolyKnight Games | 2018 | Windows | flight | | | label | |
| Innocent Blue | LiLim | 2005 | Windows | adventure Manga | image | | label | |
| INNOCENT COLORS - Canvas2 Fan Disc | F&C | 2004 | Windows | adventure Manga | image | | label | |
| Innocent Eye's | Unison Shift | 2000 | Windows | adventure | | | label | |
| Innocent World | Dress | 2002 | Windows | adventure | image | | label | |
| Innocentrea | ONE | 2005 | Windows | | image | | | |
| Innova Disc Golf | Sundial Interactive | 2000 | Windows | sport | | | | |
| Inq | ? | ? | Windows | adventure Manga | image | | | |
| Inquisition | Wanadoo Edition | 2004 | Windows | action/reflex adventure Historical | | | label | |
| Inquisitor | Wooden Dragon | 2006 | Windows | role-play Fantasy | image | | label | |
| inSame | Media Verlag | 2002 | Windows | puzzle | image | | label | |
| Insane | Invictus | 2001 | Windows | racing/driving | | | label | |
| Insane 2 | Targem Games | 2012 | Windows | racing/driving | | subject | label | |
| Insanely Twisted Shadow Planet | Shadow Planet Productions;Fuelcell Games;Gagne International | 2012 | Windows | shooter puzzle Science Fiction | image | subject | label | |
| Insecticide Episode 1 | Crackpot Entertainment | 2008 | Windows | action/reflex adventure | image | subject | label | |
| INSIDE | Playdead | 2016 | Windows | action/reflex platformer puzzle Science Fiction | image | subject | label | |
| Inside a Star-filled Sky | HC Software | 2011 | Windows | shooter | | subject | label | |
| Inside Chessie | CDV Software Entertainment | 2000 | Windows | | | | | |
| Inside My Radio | Seaven Studio | 2015 | Windows | action/reflex platformer rhythm Cartoon | image | subject | label | |
| Inside the machine | Kuma Gee | 2024 | Windows | puzzle | image | subject | label | |
| Insights: Maniac Vortex | Weizengaming | 2021 | Windows | | | | | |
| INSOMNIA: The Ark | Mono Studio | 2018 | Windows | action/reflex role-play Science Fiction | | | label | |
| Inspector Waffles | Goloso Games | 2021 | Windows | | image | | label | |
| Instinct | Digital Spray Studios | 2007 | Windows | Horror | | subject | label | |
| Insurgency | New World Interactive | 2014 | Windows | shooter | image | | label | |
| INSURGENCY: Modern Infantry Combat | Insurgency Team | 2007 | Windows | shooter | image | | label | |
| Insurgency: Sandstorm | ? | 2018 | Windows | | | subject | | |
| Insurrection: Campaigns for StarCraft | Aztech New Media | 1998 | Windows | strategy Science Fiction | image | | label | |
| Intelligent FRAC | A.C.E. | 2001 | Windows | puzzle | | | label | |
| Intellivision Lives | Intellivision Productions | 1998 | Windows | Fantasy | | | | |
| Intellivision Rocks | Quicksilver Software | 2001 | Windows | action/reflex edutainment flight rhythm simulation sport Fantasy | | | label | |
| Interact Play | Dreams | 2000 | Windows | adventure Manga | image | | label | |
| Interact Play | Dreams Co | 2000 | Windows | Erotic | | | | |
| Interact Play VR | * | 2001 | Windows | simulation Manga | image | subject | label | |
| Interactive Adventures Of Blake & Mortimer: The Time Trap | Index+ | 1997 | Windows | adventure | image | subject | | |
| Interactive Parables | Graceworks Interactive | 1998 | Windows | platformer | | | label | |
| Interkosmos | Ovid Works | 2017 | Windows | adventure | | subject | label | |
| Interloper | Monogon Games | 2014 | Windows | strategy | image | subject | label | |
| Interlude | Longshot | 2004 | Windows | adventure Manga | image | | | |
| International Cricket Captain 2 | Empire Interactive | 1999 | Windows | sport | | | label | |
| International Rally champ | THQ | 1998 | Windows | racing/driving | | | | |
| International Rally Championship | Europress | 1997 | Windows | racing/driving | | | label | |
| International Soccer 2000 | Rage | 1999 | Windows | sport | | | label | |
| Interstate '76 | Activision | 1997 | Windows | shooter racing/driving | image | | label | |
| Interstate '76 Nitro Pack | Activision | 1998 | Windows | shooter racing/driving | image | | label | |
| Interstate '82 | Activision | 1999 | Windows | action/reflex racing/driving | | | label | |
| Interstellar Marines | Zero Point Software | 2013 | Windows | shooter Science Fiction | image | subject | label | |
| Interstellaria | Coldrice Games | 2015 | Windows | simulation role-play Science Fiction | image | subject | label | |
| Intervilles | Belle Productions | 2007 | Windows | action/reflex | | subject | label | |
| Into The Breach | Subset Games | 2018 | Windows | strategy Science Fiction | | | | |
| Into the Fire | Yosemite Entertainment | 1999 | Windows | shooter Science Fiction | image | subject | label | |
| Into the Stars | Fugitive Games | 2016 | Windows | strategy Science Fiction | | | label | |
| Into The War | Small Town Studios | 2015 | Windows | shooter | image | subject | label | |
| Into Your World | Mermaid | 2000 | Windows | adventure | | | label | |
| Intra | LOD Games | 2024 | Windows | strategy | image | subject | label | |
| Intrigue at Oakhaven Plantation | Cindy Pondillo | 2006 | Windows | adventure | image | | label | |
| Introvert Quest | Amaterasu Software | 2017 | Windows | role-play turn-based Manga | | subject | label | |
| Intruder In Antiquonia | Aruma Studios | 2022 | Windows | | | | | |
| Intrusion 2 | vap games | 2012 | Windows | action/reflex platformer shooter Science Fiction | image | subject | label | |
| Inunaki | Black Cyc | 2011 | Windows | adventure | image | | label | |
| Invader | author | 2002 | Windows | board game | | | label | |
| Investi-Gator: The Case of the Big Crime | Games by Bees | 2019 | Windows | | | | | |
| Invictus: In the Shadow of Olympus | Quicksilver Software | 2000 | Windows | action/reflex role-play Fantasy | image | | label | |
| Invisible Apartment | Milan Kazarka, Jeroen van Oosten | 2015 | Windows | adventure Manga | | subject | | |
| Invisible, Inc. | Klei Entertainment | 2015 | Windows | strategy turn-based | image | subject | label | |
| Inyuukazoku - Boku to Haha to Ane to imouto to | Westvision | 2004 | Windows | adventure Manga | | | label | |
| Ion Assault | Coreplay | 2010 | Windows | shooter Science Fiction | image | subject | label | |
| Ion Fury | Voidpoint | 2019 | Windows | shooter Science Fiction | | | label | |
| Ionball 2: Ionstorm | Ironsun Studios | 2014 | Windows | action/reflex | image | subject | | |
| iPanzer '44 | Charybdis | 1998 | Windows | simulation strategy 3D | | | | |
| IQuiz: Das Spiel um die Million | Creativ Software | 2001 | Windows | trivia/quiz | | | | |
| Ira | Ore Creative | 2016 | Windows | | | | | |
| Iratus: Lord of the Dead | Unfrozen | 2020 | Windows | strategy role-play turn-based Fantasy | | | label | |
| Irem Arcade Hits | DotEmu;Irem | 2010 | Windows | | image | | | |
| Iris and the Giant | author | 2020 | Windows | casino/cards role-play Fantasy | | | label | |
| Iron Brigade | Double Fine Productions | 2012 | Windows | action/reflex strategy Humorous | image | | label | |
| Iron Danger | Action Squad Studios | 2020 | Windows | strategy Fantasy | | | label | |
| Iron Front – Liberation 1944 | X1 Software | 2012 | Windows | strategy Historical | image | subject | label | |
| Iron Grip: Marauders | ISOTX | 2011 | Windows | strategy Fantasy | image | | | |
| Iron Grip: The Oppression | Isotx | 2006 | Windows | shooter strategy Science Fiction | | | label | |
| Iron Grip: Warlord | Isotx | 2008 | Windows | shooter strategy Science Fiction | image | subject | label | |
| Iron Man | Artificial Mind | 2008 | Windows | action/reflex shooter | | | label | |
| Iron Roses | Cateia | 2010 | Windows | | | | | |
| Iron Sky: Invasion | Reality Pump | 2012 | Windows | shooter flight Science Fiction | image | subject | label | |
| Iron Storm | 4X Studios | 2002 | Windows | shooter Historical | image | | label | |
| Iron Warriors | IDDK;Crazy House | 2004 | Windows | simulation | image | | label | |
| Iron Willy | Dt. Verlag für Schweißtechnik | 1997 | Windows | adventure | image | | label | |
| Ironcast | Dreadbit | 2015 | Windows | puzzle Science Fiction | image | subject | label | |
| Ironclad Tactics | Zachtronics Industries | 2013 | Windows | strategy turn-based Historical | image | | label | |
| Ironclads: American Civil War | Totem Games | 2008 | Windows | strategy Historical | | | label | |
| Ironclads: Anglo Russian War 1866 | Totem Games | 2011 | Windows | strategy Historical | | subject | label | |
| Ironclads: Chincha Islands War 1866 | Totem Games | 2011 | Windows | strategy Historical | | subject | label | |
| Ironclads: High Seas | Totem Games | 2009 | Windows | strategy Historical | | | label | |
| Ironclads: Schleswig War 1864 | Totem Games | 2011 | Windows | strategy Historical | | subject | label | |
| Irony Curtain: From Matryoshka with Love | Artifex Mundi | 2019 | Windows | | image | subject | | |
| Irre Katze 4 | Lidos | 2000 | Windows | action/reflex puzzle | image | | label | |
| Irukandji | Charlie's Games | 2009 | Windows | shooter | image | subject | label | |
| Is It Wrong to Try to Shoot 'em Up Girls in a Dungeon ? | 5pb. | 2020 | Windows | shooter Manga | | | label | |
| Isabelle | Le Poisson Volant | 1999 | Windows | adventure Fantasy | image | | | |
| Isaku | Elf | 1997 | Windows | adventure Manga | image | | label | |
| Isbarah | Leikir Studio | 2015 | Windows | platformer Fantasy | | | label | |
| Ishido | Media Verlag | 2002 | Windows | puzzle | image | | label | |
| Isis | Snow Lion Entertainment | 1996 | Windows | adventure | image | | label | |
| Island Wars 2 | InterAction software | 2006 | Windows | shooter | image | | | |
| Island Wars! | InterAction software | 1999 | Windows | shooter | image | | | |
| Isles of Derek: The Sequel to Nacah | Virtue Games | 2003 | Windows | adventure | | | label | |
| Islets | Kyle Thompson | 2022 | Windows | action/reflex platformer adventure Fantasy | | | label | |
| Isolation Story | Elushis | ? | Windows | | | subject | label | |
| Istaria: Chronicles of the Gifted | Artifact Entertainment;Virtrium | 2003 | Windows | action/reflex role-play Fantasy | image | | label | |
| It Belongs in an Ancient Ruin | DigiPen | 2011 | Windows | platformer | image | subject | label | |
| It Lurks Below | Graybeard Games | 2019 | Windows | action/reflex Fantasy | | | label | |
| IT Tycoon | author | 2010 | Windows | simulation manag./econ. strategy turn-based | | subject | label | |
| It's a Funny Old Game | 21st Century Entertainment | 1996 | Windows | manag./econ. sport Cartoon | | | label | |
| It's The Big Game, Charlie Brown | The Web Production | 2007 | Windows | sport | | | label | |
| Itadaki Jangarian | Studio Miris | 2000 | Windows | adventure | image | | label | |
| Itami no Umi | Devil's works | 2002 | Windows | adventure Manga | | subject | | |
| Itazura | Inter Heart | 1998 | Windows | simulation Manga | image | | label | |
| Itazura 0 -Zero- | Interheart | 2005 | Windows | adventure | image | | label | |
| Itazura 4 | Interheart | 2002 | Windows | adventure Manga | | | | |
| Itazura III | Interheart | 1999 | Windows | adventure Manga | image | | | |
| Itazura King | Interheart | 2001 | Windows | adventure Manga | image | subject | | |
| Itch! | JoWooD Productions | 2002 | Windows | puzzle | image | subject | label | |
| Iter Vehemens ad Necem | IvanDev | 2001 | Windows | role-play Fantasy | image | | label | |
| Itsudatsu | Soliel | 2001 | Windows | adventure Manga | | | | |
| Itsuka no Sora | Sweet Basil | 2001 | Windows | adventure Manga | image | subject | | |
| Itsuka, Dokoka de ~Ano Amaoto no Kioku~ | BeF | 2002 | Windows | adventure Manga | image | subject | | |
| Itsutsugo -Lovely Quintuplets- | Dieselmine | 2009 | Windows | adventure | image | | label | |
| ITT GIRL GAMES presents B-Day Party | Breakthrough Gaming | ? | Windows | action/reflex board game | | | label | |
| Itte, Itte, Ii! | hole | 2012 | Windows | adventure | | | label | |
| Ittle Dew | Ludosity | 2013 | Windows | adventure Cartoon | image | | label | |
| Ivan the Prince and Wolf the Grey | PIPE Studio | 2011 | Windows | | | | | |
| Iyashite Ageru | Aquarium | 2001 | Windows | adventure Manga | image | subject | | |
| Iz and Auggie: Escape From Dimension Q | Headbone Games | 1997 | Windows | adventure edutainment | image | | | |
| Izanai | Princess Crown | 2009 | Windows | adventure | image | | label | |
| Izzy's Adventure | U.S. Gold | 1996 | Windows | edutainment | image | subject | | |
