| title | developer | year | platform | | pop. |
|---|
| Z | NightSoft | 2000 | Linux |  |  |  | |
| Z-Exemplar | Suminell Studios | 2016 | Linux | | | | |
| Z-Zone | Infomedia | 1987 | C64 | | | | |
| Z.A.R. | Auric Vision | 2015 | Linux | | | | |
| Z.O.H.R.N | ¡EvilBad¡ Games | 2013 | Linux | | | | |
| Zaccaria Pinball | Magic Pixel | 2017 | Linux | | | | |
| Zafehouse Diaries 2 | Screwfly Studios | 2012 | Linux | | | | |
| Zak McKracken and the Alien Mindbenders | Lucasfilm Games | 2015 | Linux | | | | |
| Zamarian | Quarter Pound Studios | 2016 | Linux | | | | |
| Zandvox | author | ? | Linux | | | | |
| ZANGEKI WARP | ASTRO PORT | 2017 | Linux | | | | |
| ZAP Master | author | 2017 | Linux | | | | |
| Zarya-1: Mystery on the Moon | Your Story Interactive | 2017 | Linux | | | | |
| Zaster Imperium | TASK four | 2007 | Windows | | | | |
| Zaster Imperium | TASK four | 2007 | Mac OS X | | | | |
| Zatikon | Chronic Logic | 2008 | Linux | | | | |
| Zatikon: Crusades | Chronic Logic | ? | Linux | | | | |
| Zatikon: Legions | Chronic Logic | ? | Linux | | | | |
| ZED - Absolution | Zombie Killer Studios | 2013 | Linux | | | | |
| ZeGame | Jesper The End | 2016 | Linux | | | | |
| Zen | Zenobi Software | 1996 | ZX Spectrum | | | | |
| Zen Bound 2 | Secret Exit | 2012 | Linux | | | | |
| Zen Fish SIM | Irongames Studio | 2016 | Linux | | | | |
| Zen Puzzle Garden | Lexaloffle | 2011 | Linux | | | | |
| Zen Puzzle Garden | Lexaloffle | 2011 | Windows | | | | |
| Zenge | Hamster On Coke Games | 2016 | Linux | | | | |
| Zenix | Gosub Software | 1989 | Tandy Coco | | | | |
| Zenzizenzic | bitHuffel | 2014 | Linux | | | | |
| Zero Reflex | Exordium Games | 2015 | Linux | | | | |
| zero zero projector | author | ? | Linux | | | | |
| Zeus | Aardvark | 1983 | Tandy Coco | | | | |
| Zeus Quest | Crazysoft | 2016 | Linux | | | | |
| Zexas | dB-SOFT | 1984 | NEC PC8801 | | | | |
| Zexas | dB-SOFT | 1984 | MSX | | | | |
| Zexas | dB-SOFT | 1983 | Sharp X1 | | | | |
| Zexas | dB-SOFT | 1984 | Sharp MZ | | | | |
| Ziba | author | 2016 | Linux | | | | |
| Zigfrak | Entheogen Studios | 2012 | Linux | | | | |
| Ziggurat | Milkstone Studios | 2014 | Linux | | | | |
| Zip Zap | Imagine | 1983 | ZX Spectrum | | | | |
| Zombasite | Soldak Entertainment | 2016 | Linux | | | | |
| Zombie Adventure | Divine Gaming | ? | Linux | | | | |
| Zombie City Defense 2 | Mozg Labs | 2016 | Linux | | | | |
| Zombie Defense | Home Net Games | 2016 | Linux | | | | |
| Zombie Exodus | Hosted Games | 2015 | Linux | | | | |
| Zombie Gotchi | SilentFuture | 2016 | Linux | | | | |
| Zombie Grinder | Twin Drills | 2012 | Linux | | | | |
| Zombie Night Terror | NoClip | 2016 | Linux | | | | |
| Zombie Office Adventure | ? | ? | Linux | | | | |
| Zombie Parking | XPAGAME | 2016 | Linux | | | | |
| Zombie Portals | Born Lucky Studio | ? | Linux | | | | |
| Zombie Quarantine | Shangri-La Game Studios | 2015 | Linux | | | | |
| Zombie Survival Simulator | ZSS | 2013 | Linux | | | | |
| Zombie Survival: Stop the Planet | Roencia Game Creators | 2013 | Linux | | | | |
| ZombieRun | Indrek V | ? | Linux | | | | |
| ZombieSurvivors | IndieGears Studios | TBA | Linux | | | | |
| Zombillie | Forever Entertainment | 2016 | Linux | | | | |
| Zombo Buster Rising | FIREBEAST | 2016 | Linux | | | | |
| Zone 6 | Colorquest | 1983 | Tandy Coco | | | | |
| Zone416 | author | TBA | Linux | | | | |
| Zonx | Rainbow | 1985 | Tandy Coco | | | | |
| Zoo Empire | Enlight Software | 2004 | Windows | | | | |
| Zoo Racing | XD Seppi | ? | Linux | | | | |
| Zoo Vet | Legacy Interactive | 2005 | Mac OS X | | | | |
| Zoo Vet | Legacy Interactive | 2004 | Windows | | | | |
| Zork | Infocom | 1991 | NEC PC9801 | | | | |
| Zork I - The Great Underground Empire | Infocom | 1985 | Tatung Einstein | | | | |
| Zork I: The Great Underground Empire | Infocom | ? | Linux | | | | |
| Zork I: The Great Underground Empire | Infocom | 1986 | Amstrad PCW | | | | |
| Zork II: The Wizard of Frobozz | Infocom | ? | Linux | | | | |
| Zork II: The Wizard of Frobozz | Infocom | 1986 | Amstrad PCW | | | | |
| Zork II: The Wizard of Frobozz | Infocom | 1984 | C16/Plus4 | | | | |
| Zork II: The Wizard of Frobozz | Infocom | 1983 | C64 | | | | |
| Zork II: The Wizard of Frobozz | Infocom | 1985 | Tatung Einstein | | | | |
| Zork III: The Dungeon Master | Infocom | ? | Linux | | | | |
| Zork III: The Dungeon Master | Infocom | 1986 | Amstrad PCW | | | | |
| Zork Nemesis: The Forbidden Lands | Zombie | ? | Linux | | | | |
| Zork the Undiscovered Underground | Infocom;Activision | ? | Linux | | | | |
| Zork Zero: The Revenge of Megaboz | Infocom | 2014 | Linux | | | | |
| Zork: Grand Inquisitor | Activision | 1997 | Linux | | | | |
| Zotrix | ZeroBit Games | 2015 | Linux | | | | |
| Zuli | Minus One Games | ? | Linux | | | | |
| Zuran Defender | Zee Programming | 1983 | MS-DOS | | | | |
| Zurk's Learning Safari | Soleil Software | 1993 | Mac OS Classic | | | | |
| Zurk's Learning Safari | Soleil Software | 1993 | MS-DOS | | | | |
| Zurk's Learning Safari | Soleil Software | 1993 | Win3.1 | | | | |
| Zweinflugger! | Gaeel | ? | Linux | | | | |
| Zyx | CP Verlag | 1990 | C64 | | | | |
| Zzzz-Zzzz-Zzzz | SaintHeiser | 2016 | Linux | | | | |
