oaktrees | 2 | Oak Trees | Creatures themes |
objclanguage | 13 | Objective-C programming language | Software themes |
objectcomponents | 1 | Object Components | Other concepts |
objectdeformation | 5 | Object deformation | Video game concepts |
objective-time | 1 | Objective: Time | Video game concepts |
objectiveclairvoyance | 54 | Objective clairvoyance | Video game concepts |
objectiveindicator | 329 | Objective indicator | Other concepts |
objectmanipulation | 16 | Object manipulation | Activities themes |
objectpascal | 15 | Object Pascal programming language | Software entities |
objectplot | 34 | Object plot | Culture themes |
obligation | 43 | Obligation | Culture themes |
obscure-series | 6 | ObsCure | Video game series |
obscuredidentity | 3 | Obscured identity | Video game concepts |
obscuredprotagonistdialog | 13 | Obscured protagonist dialog | Other themes |
obscuredtime | 9 | Obscured time | Video game concepts |
obscurerelease | 61 | Obscure Release | Culture concepts |
observation | 7 | Observation | Activities themes |
observer | 19 | Observer | Other themes |
obsoletedassets | 148 | Obsoleted assets | Video game concepts |
obstacletranslucification | 27 | Obstacle translucification | Video game concepts |
ocaml | 1 | n.a. | |
OCCAM | 1 | OCCAM programming language | Software entities |
occam2 | 1 | OCCAM 2 programming language | Software entities |
occult | 30 | Occult | Fiction genre themes |
ocean | 124 | Ocean | Locations themes |
oceania | 7 | Oceania | Locations entities |
oceanworld | 30 | Ocean world | Locations themes |
octopus | 80 | Octopi | Creatures themes |
octopusprotagonist | 1 | n.a. | |
oculusrift | 72 | Oculus Rift | Hardware entities |
odanobunaga | 4 | Oda Nobunaga | Historical themes |
oddappliances | 52 | Odd appliances | Tools themes |
oddnature | 3 | Odd nature | Other concepts |
oddrulers | 6 | Odd rulers | Other themes |
oddweapons | 1 | n.a. | |
oddworld | 25 | Oddworld | Locations concepts |
odysseus | 13 | Odysseus | Culture entities |
odysseyengine | 7 | Odyssey | Software entities |
oengine | 6 | OEngine | Software entities |
officebuilding | 60 | Office building | Locations entities |
offmatchpowerups | 4 | Off-match power-ups | Video game concepts |
offroading | 7 | Off-roading | Activities themes |
offroadracing | 58 | Off-road Racing | Sport themes |
offscenedeath | 4 | Offscene death | Other concepts |
offscreenaction | 12 | n.a. | |
offscreencombat | 1 | Off-screen combat | Video game themes |
offsetengine | 3 | Offset Engine | Software entities |
offshorefacility | 1 | Offshore facility | Locations themes |
ofp-series | 10 | Operation Flashpoint | Video game series |
ogl2-2 | 1 | n.a. | |
ogl21 | 2 | n.a. | |
ogl30 | 2 | n.a. | |
ogre-engine | 71 | OGRE | Software entities |
ogrebattle | 10 | Ogre Battle | Video game series |
ogreengine | 1 | n.a. | |
ogres | 87 | Ogres | Creatures entities |
ohio | 5 | Ohio, USA | Locations themes |
ohrrpgceengine | 2 | O.H.R.RPG.C.E. | Software entities |
oilrig | 8 | Oil rig | Locations entities |
ojamajodoremi | 6 | Ojamajo Doremi | Cartoon series |
ojarumaru | 4 | Ojarumaru | Cartoon series |
okami-series | 6 | Ōkami | Video game series |
oklahoma | 8 | Oklahoma, USA | Locations themes |
oldarabian-theme | 113 | Old Arabian theme | Culture themes |
oldersister | 3 | n.a. | |
oldfaith | 13 | Old faith | Other concepts |
oldskoolsecurity | 24 | Old skool security | Video game concepts |
oldskoolsurveillance | 42 | Old skool surveillance | Other concepts |
oliphaunts | 6 | Oliphaunts | Creatures themes |
olpc | 1 | One Laptop Per Child | Hardware themes |
olsentwins | 13 | Olsen twins | Culture series |
olympic | 170 | Olympics | Sport themes |
omf-series | 2 | One Must Fall | Video game series |
omni3d | 4 | n.a. | |
omniscientnpcs | 9 | Omniscient NPCs | Video game concepts |
one-hit | 1 | n.a. | |
onebutton | 1 | n.a. | |
onechanbara | 9 | OnēChanbara | Video game series |
onedimensional | 1 | 1-Dimensional | Locations concepts |
oneeyedcreatures | 23 | One-eyed Creatures | Creatures themes |
onehanded | 12 | One-handed | Video game concepts |
oneofakind | 23 | One of a kind | Other themes |
oneofmany | 37 | One of many | Other themes |
oneoftheenemy | 11 | One of the enemy | Culture concepts |
onepiece | 58 | One Piece | Cartoon series |
oneshot | 4 | One-shot | Video game concepts |
onewaypassages | 7 | One-way passages | Other entities |
onfuse | 1 | n.a. | |
onhold | 16 | On hold | Other concepts |
onimusha | 8 | Onimusha | Video game series |
onlinepass | 4 | Online pass | Other concepts |
onlive | 1 | n.a. | |
onlyone-series | 2 | Only One | Video game series |
onomatopoeia | 34 | Onomatopoeia | Culture concepts |
onscripter | 1 | n.a. | |
ontario | 1 | n.a. | |
onyxengine | 4 | Onyx | Software entities |
oogl | 1 | n.a. | |
oopcharacters | 13 | Out-of-place characters | Other concepts |
oopitems | 111 | Out-of-place items | Video game concepts |
opaquewater | 4 | Opaque water | Video game concepts |
open-world | 1 | n.a. | |
open2x | 1 | Open2x operating system | Software themes |
openal | 622 | OpenAL | Software themes |
openbeta | 33 | Open beta | Other concepts |
openbor | 2 | OpenBOR Open Beats of Rage Engine | Software entities |
openbsd | 38 | OpenBSD operating system | Software themes |
opencl | 3 | OpenCL | Software entities |
openclassing | 33 | Open classing | Video game concepts |
opencv | 3 | OpenCV | Software themes |
opendingux | 1 | n.a. | |
opendynamicsengine | 26 | Open Dynamics Engine | Software entities |
openended | 127 | Open-ended | Culture themes |
openfeint | 10 | OpenFeint | Software entities |
openfield | 35 | Open field | Video game concepts |
openfl | 4 | OpenFL | Software entities |
openframeworks | 1 | n.a. | |
opengl | 1980 | OpenGL | Software themes |
opengl-1-1 | 11 | OpenGL 1.1.x | Hardware themes |
opengl-1-2 | 5 | OpenGL 1.2.x | Hardware themes |
opengl-1-3 | 2 | OpenGL 1.3 | Hardware themes |
opengl-1-4 | 2 | OpenGL 1.4 | Hardware themes |
opengl-1-5 | 4 | OpenGL 1.5 | Hardware themes |
opengl-2-0 | 96 | OpenGL 2.0 | Hardware themes |
opengl-2-1 | 108 | OpenGL 2.1 | Hardware themes |
opengl-3 | 2 | n.a. | |
opengl-3-0 | 117 | OpenGL 3.0 | Hardware themes |
opengl-3-1 | 7 | OpenGL 3.1 | Hardware themes |
opengl-3-2 | 43 | OpenGL 3.2 | Hardware themes |
opengl-3-3 | 37 | OpenGL 3.3 | Hardware themes |
opengl-4-0 | 11 | OpenGL 4.0 | Hardware themes |
opengl-4-1 | 6 | OpenGL 4.1 | Hardware themes |
opengl-4-2 | 2 | OpenGL 4.2 | Hardware themes |
opengl-4-3 | 3 | OpenGL 4.3 | Hardware themes |
opengl-4-4 | 1 | OpenGL 4.4 | Hardware themes |
opengl-4-5 | 5 | OpenGL 4.5 | Hardware themes |
opengl1-0 | 1 | n.a. | |
opengl20 | 1 | n.a. | |
opengles | 3 | OpenGL ES | Hardware themes |
opengles2 | 3 | n.a. | |
openindiana | 1 | OpenIndiana | Software entities |
openpvp | 34 | Open PvP | Video game concepts |
opensl | 1 | Open Sound Library for Embedded Systems | Software entities |
opensolaris | 4 | OpenSolaris | Software entities |
opensolutions | 51 | Open solutions | Video game concepts |
opensource | 225 | Open Source | Software themes |
opensus | 1 | n.a. | |
opensuse | 1 | n.a. | |
opentk | 5 | Open Toolkit | Software entities |
opentnl | 1 | Torque Network Library | Software themes |
opentombengine | 5 | n.a. | |
openvms | 7 | OpenVMS operating system | Software themes |
openvr | 3 | OpenVR | Software entities |
openworld | 660 | Open world | Video game concepts |
openworld-restricted | 11 | Restricted open world | Video game concepts |
openworldsurvivalcrafting | 97 | Open World Survival Crafting | Game genre themes |
operationbagration | 1 | Operation Bagration | Historical themes |
operationbarbarossa | 5 | Operation Barbarossa | Historical themes |
operationmarketgarden | 15 | Operation Market Garden | Historical themes |
operationoverlord | 7 | Operation Overlord | Historical themes |
operationwolf | 21 | Operation Wolf | Video game series |
opossums | 2 | Opossums | Creatures themes |
opponentpowerdisplay | 43 | Opponent power display | Video game concepts |
opponentpreview | 13 | Opponent preview | Video game concepts |
opticalillusions | 25 | Optical Illusions | Video game concepts |
optimalrange | 10 | Optimal range | Video game concepts |
optionalfpscap | 1 | Optional framerate cap | Software concepts |
optionaltasks | 402 | Optional tasks | Other concepts |
orangeblue | 20 | Color scheme: Orange/Blue | Other themes |
orbitaldrops | 6 | Orbital drops | Other concepts |
orbitalflight | 14 | Orbital flight | Activities themes |
orbitalweapons | 38 | Orbital weapons | Other entities |
orcasigma-hw | 6 | Orca-Sigma arcade hardware | Hardware entities |
orchard | 2 | Orchard | Locations themes |
orcs | 314 | Orcs | Creatures themes |
orcsmustdie-series | 5 | Orcs Must Die | Video game series |
ordervschaos | 9 | Order versus Chaos | Culture themes |
ordinaryprotagonist | 6 | Ordinary protagonist | Creatures themes |
ore | 1 | n.a. | |
oregon | 43 | Oregon, USA | Locations entities |
organic-theme | 35 | Organic theme | Other themes |
organizationmascot | 1 | Organization Mascot | Culture themes |
organizationtiein | 1 | Organization Tie-in | Culture themes |
organizedcrime | 80 | Organized crime | Other themes |
ori-series | 4 | Ori | Video game series |
oriental | 21 | Oriental theme | Culture themes |
originsawardbestfantasyscifi | 1 | Origins Award Best Fantasy or Science Fiction Computer Game | Video game entities |
originstory | 11 | Origin story | Culture concepts |
origlang-chinese | 5 | Original language: Chinese | Culture concepts |
origlang-czech | 5 | Original language: Czech | Culture concepts |
origlang-english | 1 | Original language: English | Culture concepts |
origlang-french | 14 | Original language: French | Culture concepts |
origlang-german | 39 | Original language: German | Culture concepts |
origlang-japanese | 16 | Original language: Japanese | Culture concepts |
origlang-korean | 4 | Original language: Korean | Culture concepts |
origlang-russian | 38 | Original language: Russian | Culture concepts |
origlang-spanish | 1 | Original language: Spanish | Culture concepts |
origlang-turkish | 1 | n.a. | |
orion-engine | 3 | Orion | Software entities |
orion-series | 2 | Orion | Video game series |
ornithopters | 4 | Ornithopters | Vehicles concepts |
orochi-engine | 1 | Orochi | Software entities |
orphanage | 6 | Orphanage | Locations entities |
orphanprotagonist | 76 | Orphan protagonist | Creatures themes |
orwellian | 2 | Orwellian | Culture themes |
orxengine | 2 | n.a. | |
os | 1 | n.a. | |
os-9 | 15 | OS-9 Operating System | Software entities |
os2 | 3 | Specifically OS/2 compatible. | Software themes |
os2-dart | 22 | DART | Software themes |
os2-dive | 32 | DIVE | Software themes |
os2ward | 1 | n.a. | |
os9 | 4 | n.a. | |
osamutezuka | 12 | Osamu Tezuka | Cartoon themes |
osborne1 | 1 | n.a. | |
osc-7 | 1 | n.a. | |
osc-8 | 1 | n.a. | |
osclassic | 2250 | Classic Mac OS | Software themes |
oshareprincess | 4 | Oshare Princess | Video game series |
osi4p | 1 | n.a. | |
osic1 | 7 | n.a. | |
osic1p | 62 | Ohio Scientific C1P | Hardware themes |
osic2 | 12 | n.a. | |
osic3 | 12 | n.a. | |
osic4 | 12 | n.a. | |
osic4p | 92 | Ohio Scientific C2P | Hardware themes |
osic4pmf | 1 | n.a. | |
osic8 | 12 | n.a. | |
oslimit | 4 | Operating system limit | Software themes |
oss | 16 | Open Sound System | Software entities |
ostriches | 1 | n.a. | |
osvr | 6 | OSVR | Software entities |
oswrap | 3 | OS Wrapped | Software concepts |
osx | 949 | Mac OS X operating system | Software themes |
osx-1 | 66 | Mac OS X 10.1.x Puma | Software themes |
osx-10 | 44 | Mac OS X 10.10 Yosemite | Software themes |
osx-11 | 28 | Mac OS X 10.11 El Capitan | Software themes |
osx-12 | 14 | Mac OS X 10.12 Sierra | Software themes |
osx-2 | 105 | Mac OS X 10.2.x Jaguar | Software themes |
osx-3 | 118 | Mac OS X 10.3.x Panther | Software entities |
osx-4 | 151 | Mac OS X 10.4.x Tiger | Software entities |
osx-5 | 172 | Mac OS X 10.5.x Leopard | Software themes |
osx-6 | 133 | Mac OS X 10.6.x Snow Leopard | Software entities |
osx-7 | 75 | Mac OS X 10.7.x Lion | Software entities |
osx-8 | 71 | Mac OS X 10.8.x Mountain Lion | Software entities |
osx-9 | 56 | Mac OS X 10.9 Mavericks | Software themes |
osx-mountainlion | 1 | n.a. | |
osx0 | 31 | n.a. | |
osx12 | 2 | n.a. | |
osx4 | 1 | n.a. | |
othellomultivision | 9 | Othellomultivision | Video game series |
otherprotagonist | 2 | Other protagonist | Creatures themes |
otherpuzzle | 14 | Other puzzle | Game genre themes |
otherworld | 852 | Other world | Locations themes |
otomedius | 3 | Otomedius | Video game series |
otomegame | 166 | Otome game | Game genre concepts |
otters | 3 | n.a. | |
outbreak | 120 | Outbreak | Other themes |
outbreaksimulation | 19 | Outbreak simulation | Game genre themes |
outdoors | 366 | Outdoors | Locations themes |
outerspace | 2 | n.a. | |
outerspaceracing | 2 | Outer-space Racing | Sport themes |
outfront-series | 12 | Outfront | Video game series |
outlanderprotagonist | 22 | Outlander protagonist | Creatures themes |
outlast-series | 8 | Outlast | Video game series |
outlawengine | 1 | Outlaw Engine | Software entities |
outlawprotagonist | 306 | Outlaw protagonist | Creatures themes |
outlaws | 299 | Outlaws | Creatures themes |
outlawsports-series | 14 | Outlaw Sports | Video game series |
outlinepuzzle | 75 | Outline puzzle | Game genre themes |
outofturnactions | 49 | Out-of-turn actions | Other concepts |
outpost-series | 2 | Outpost | Video game series |
outrun | 48 | OutRun | Video game series |
outsiders | 9 | Outsiders | Creatures entities |
overblood-series | 2 | OverBlood | Video game series |
overburdening | 46 | Overburdening | Other concepts |
overcast | 9 | Overcast | Locations themes |
overcharging | 24 | Overcharging | Video game concepts |
overcooked-series | 8 | Overcooked | Video game series |
overdrawdiscard | 4 | Overdraw discard | Other concepts |
overexposition | 5 | Over-exposition | Other concepts |
overgrowth | 16 | Overgrowth | Locations themes |
overheal | 36 | Overheal | Video game concepts |
overheating | 69 | Overheating | Video game concepts |
overkill | 96 | Overkill | Other concepts |
overlay | 1 | n.a. | |
overlay-controller | 11 | Control Overlay | Hardware themes |
overlay-screen | 61 | Screen Overlay | Hardware themes |
overloading | 10 | Overloading | Other concepts |
overlord-series | 13 | Overlord | Video game series |
overpenetration | 72 | Overpenetration | Other concepts |
overpowered | 36 | Overpowered | Video game concepts |
overprepared | 1 | Overprepared | Video game themes |
overthetop | 24 | Over the top | Other themes |
overtime | 10 | Overtime | Other concepts |
overworld | 143 | Overworld | Video game concepts |
oviraptors | 2 | Oviraptors | Creatures entities |
owlbears | 35 | Owlbears | Creatures themes |
owls | 20 | Owls | Creatures entities |
oxen | 8 | n.a. | |
ozworld | 1 | Land of OZ | Locations themes |