| 1213 | Adventure | No |
| 3059, 3069, 3079 - Trilogy | RPG | No |
| 5 Days a Stranger | Adventure | No |
| 6 Days a Sacrifice | Adventure | No |
| 7 Days a Skeptic | Adventure | No |
| 8bit Killer | FPS | No |
| A Slower Speed of Light | Simulation | No |
| Ace of Spades (Classic) | Block-Based FPS | Yes |
| Ad Astra | Space Trading | No |
| Adventures in the Galaxy of Fantabulous Wonderment | Adventure | No |
| Ahriman's Prophecy | RPG | No |
| Air Rivals | MMO Plane RPG | Online-only |
| AirMech | ? | No |
| Alien Assault | TBS | No |
| Alien Carnage/Halloween Harry | Platformer | No |
| Alien Swarm | Isometric Shooter | Yes |
| AliensRL | Roguelike | No |
| Allegiance | Space Simulator | Yes |
| An Untitled Story | Platformer | No |
| Anchorhead | Text Adventure | No |
| Ancient Domains Of Mystery | Roguelike | No |
| Angband | Roguelike | No |
| Arctic Adventure | Platformer | No |
| Arena (Elder Scrolls I) | RPG | No |
| Armored Brigade | RTS | No |
| ASCII Sector | Roguelike | No |
| Assault Cube | MMOFPS | Online-only |
| Astro Battle | Action | Yes |
| Aurora | 4X | Yes |
| Baseball Mogul 2006 | Tycoon | No |
| Battleships Forever | RTS | No |
| Begin, A Tactical Starship Simulation | TBS | No |
| Beneath a Steel Sky | Adventure | No |
| Beserk! | Roguelike | No |
| Beyond the Titanic | Text Adventure | No |
| Bio Menace | Platformer | No |
| Bitworld | Roguelike | No |
| Bonesaw | Platformer | No |
| Bontago | Puzzle | Yes |
| Boppin' | Puzzle | Yes |
| BZFlag | FPS | Online-only |
| C-evo | 4X | Yes |
| Cactusquid's Games | Art | No |
| CastlevaniaRL: Serenade of Chaos | Roguelike | No |
| Cat Planet | Exploration Platformer | No |
| Cataclysm | Roguelike | No |
| Cave Story | Platformer | No |
| Caves of Qud | Roguelike | No |
| Caves of Thor | Maze | No |
| Celestial Mechanica | Platformer | No |
| Chef Boyardee's Barkley, Shut Up and Jam: Gaiden, Chapter 1 of the Hoopz Barkley SaGa | JRPG | No |
| Chex Quest | FPS | No |
| Chicken Invaders | Space Invaders Parody | No |
| Climb to the Top of the Castle | Platformer | No |
| Cloud | Puzzle | No |
| CodeRED: Alien Arena | FPS | Online-only |
| Command and Conquer: Red Alert | RTS | Yes |
| Command and Conquer: Tiberian Dawn | RTS | Yes |
| Command and Conquer: Tiberian Sun | RTS | Yes |
| Copy Kitty | Action | No |
| Corneroids | Sandbox / Space Trader | Yes |
| CRRCsim | Flight Simulator | No |
| D-Day: Normandy | FPS | Yes |
| Daggerfall (Elder Scrolls II) | RPG | No |
| Dark Ages | Platformer | No |
| Delver | First Person Roguelike | No |
| Desktop Dungeons 0.2 | Roguelike | No |
| DiabloRL | Roguelike | No |
| Diaspora | RTS | Soon |
| Digital: A Love Story | Visual Novel | No |
| Diluvium | 'Versus typing tactics' | No |
| Dink Smallwood | RPG | No |
| Discworld MUD | MUD | Online-only |
| Distorted Travesy | Platformer | No |
| Dogfights: The Game | Simulation | No(?) |
| DoomRL | Roguelike | No |
| Dungeon Crawl: Stone Soup | Roguelike | No |
| Dwarf Fortress | Roguelike Simulator | No |
| Eastside Hockey Manager | Tycoon | No |
| Elona | Weird as Heck Roguelike | No |
| Engage to Jabberwock | Shmup RPG | No |
| Enigma | Puzzle | No |
| Escape from the Underworld | Platformer | No |
| Eversion | Platformer | No |
| Expedition | Roguelike Strategy | No |
| Fallen City | Strategy | No |
| Final Fantasy: Endless Nova | JRPG | No |
| Flightgear | Simulation | Yes |
| flOw | Evolution | No |
| Foam | Weird Puzzle Thing | No |
| Foldit | Crowdsourcing puzzle | No |
| Fraxy | TDS | No |
| Freeciv | 4X | Yes |
| Freecol | 4X | Yes |
| Future Pinball | Pinball | No |
| GalpaniX | Bullet Hell | No |
| Gang Garrison 2 | Shooter | Yes |
| gate 88 | 'queasy game' | No(?) |
| Gearhead | Roguelike | No |
| Gearhead 2 | Roguelike | No |
| GENETOS | Shmup | No |
| Glest | RTS | Yes |
| Globulation | RTS | Yes |
| Goblin Camp | Roguelike simulation | No |
| God's Watch | Platformer | No |
| Grand Theft Auto | Action | Yes |
| Grand Theft Auto 2 | Action | Yes |
| Grid Wars | ? | No |
| Gungirl2 | Platformer | No |
| Hammerkind | Platformer | Yes (Hotseat) |
| Haven And Hearth | MMORPG | Online-only |
| Hawken | FPS | Online-only |
| Hazhordhu | RPG | Yes |
| Hedgewars | TBS | Yes |
| Hero Core | Platformer | No |
| Heroes of Ardania | RPG | In-browser |
| Heroquest | RPG | No |
| Hidden and Dangerous: Deluxe | Shooter | No |
| Hide | First Person Horror | No |
| Hockey? | QWOP-difficult game | No |
| Hydorah | Shmup | No |
| Hydra Castle Labyrinth | Platformer | No |
| I Wanna Be The Guy | Platformer | No |
| I Wanna Be The Guy: Gaiden | Platformer | No |
| I'm Okay, Quibble Race, Diabolika II, Mean Cuisine, Eternal Daughter | Multiple | No |
| Ib | JRPG | No |
| Iji | Platformer | No |
| Imscared - A Pixelated Nightmare | Horror | No |
| Incursion | Roguelike | No |
| Invaders: Corruption | Shooter | No |
| IVAN | Roguelike | No |
| Jason Rohhrer's Game Design Sketchbook | Several | No (Except for one) |
| Jump 'n Bump | Platformer | No |
| Katawa Shoujo | Dating Simulator / Visual Novel (DISCLAIMER: NSFW) | No |
| King's Quest - The Silver Lining | Adventure | No |
| King's Quest 1 Remake | Adventure | No |
| King's Quest 2 Remake | Adventure | No |
| King's Quest 3 Remake | Adventure | No |
| Kingdom of Loathing | RPG | In-browser |
| Knytt | Platformer | No |
| Knytt Stories | Platformer | No |
| Kroz | Maze | No |
| L'Abbaye des Morts | Platformer | No |
| La-Mulana | Adventure Platformer | No |
| Lariad | Platformer | No |
| LBreakout2 | Breakout | No |
| Legend of Princess | Platformer | No |
| Legionwood: Tale of the Two Swords | JRPG | No |
| Liberal Crime Squad | Roguelike | No |
| Liero | Action | Yes |
| Little Fighter 2 | Beat 'em up | Yes |
| Lucas Chess | Chess | Yes |
| Lure of the Temptress | Adventure | No |
| LV | Adventure | No |
| M.A.R.S. | TDS | No |
| Mad Father | Horror | No |
| Major Stryker | Shmup | No |
| Manic Digger | Minecraft Clone | Yes |
| Marathon | FPS | No |
| Marathon 2 | FPS | No |
| Marathon: Infinity | FPS | No |
| MArcomage | Card Strategy | In-browser |
| Mari0 | Platformer | Yes |
| MegaGlest | RTS | Yes |
| Megaman 8-bit Deathmatch | FPS | Yes |
| MegaMek | TBS | Yes |
| Mightier | Platformer | No |
| Mighty Jill Off | Platformer | No |
| Misao | Horror (Warning: grotesque imagery) | No |
| Monster Milktruck | Driving | No |
| Monuments of Mars | Platformer | No |
| Moonbase Alpha | Simulation | Yes |
| Myst Online | MMOPuzzle | Online-only |
| N | Platformer | No |
| NAEV | Escape Velocity Clone | No |
| Narbacular Drop | First Person Puzzle (Inspiration for Portal) | No |
| Nationstates | Nation Simulator | In-browser |
| Nelly Cootalot: Spoonbeakas Ahoy! | Adventure | No |
| Nethack | Roguelike | No |
| NetHack - Falcon's Eye | Graphical Roguelike | No |
| Neverball | Puzzle | No |
| Ninjammin Beat-Jitsu | Rhythm | No |
| Nitronic Rush | Racing | No(?) |
| Noctis | Survival | No |
| Noitu Love and the Army of Grinning Darns | Platformer | No |
| Not Tetris 2 | Puzzle | No |
| Of Light and Shadow | Puzzle Platformer | No |
| OFF | RPG | No |
| One Night - Trilogy | Survival Horror | No |
| Oolite | Space Trader | No |
| Open Clonk | Platformer | Yes |
| Open Hexagon | Action | No |
| Open Imperium Galactica | 4X | No(?) |
| OpenLieroX | Worms Clone | Yes |
| OpenTTD | Tycoon | Yes |
| Orbiter | Simulation | Yes |
| osu! | Rhythm | No |
| Peggle Extreme | Arcade | Yes |
| Perspective | First Person Puzzle | No |
| Pharaoh's Tomb | Platformer | No |
| Pirates of the Western Sea | Roguelike | No |
| Pixelships | Shmup | No |
| Planeshift | MMORPG | Online-only |
| Planetside | MMOFPS | Online-only |
| Play65 | Backgammon | Yes |
| Plobb! | Shooter | No |
| Poacher | Platformer | No |
| POWDER | Roguelike | No |
| Powder Toy | Simulation | No |
| Progress Quest | MMORPG | Yes |
| Prospector | Roguelike | No |
| Proun | Racing | Yes |
| Psi-Ops: The Mindgate Conspiracy | TPS | No |
| Puzzle Fun-Pak | Puzzle | No? |
| Quest for Glory II: Trial by Fire | Adventure | No |
| Quintessence: The Blighted Venom | JRPG | No |
| Ragdoll Matrix: Reloaded | Action | Yes |
| Red Eclipse | FPS | Yes |
| Red Rogue | Platforming Roguelike | No |
| Rigs of Rods | Vehicle Simulator | No(?) |
| Rogue Survivor | Roguelike | No |
| Rogue's Tale | (Graphical) Roguelike | No |
| Runman - Race Around The World | Platformer | No |
| Sam And Max Episode 4: Abe Lincoln Must Die | Adventure | No |
| Sanctuary | Shooter | No |
| Sauerbraten | FPS | Yes |
| Savage | MMOFPSRTS | Online-only |
| Savage 2 | Strategy | Yes |
| Savage: The Battle for Newerth | MMOFPSRTS | Online-only |
| Scorched3D | Action | Yes |
| Seiklus | Platformer | No |
| Seven Kingdoms: Ancient Adversaries | RTS | Yes |
| Shoot First | Action | Yes |
| Shores of Hazeron | MMO | Online-only |
| Simutrans | Tycoon | No(?) |
| Skifree | Sports | No |
| Skulltag | FPS | Yes |
| SLASH'EM | (Graphical) Roguelike | No |
| Sombreros | TDS | No |
| Space Engine | Exploration | No |
| Spacestation 13 | RPG | Online-only |
| Spelunky | Roguelike Platformer | No |
| Spooks | Adventure | No |
| SpringRTS | RTS Engine | yes |
| Stargunner | Shmup | No |
| Starsiege: Tribes | FPS | Yes |
| Stranded 2 | Survival | No |
| Strange Adventures in Infinite Space | Adventure | No |
| Street Fighter X Megaman Remake | Beat 'em up | No (?) |
| Streets of Rage Remake v5 | Beat 'em up | Yes |
| subATOMIC | Point and Click | No |
| Subspace/Continuum | MMO | Online-only |
| Super Cosplay War Ultra | Beat 'em up | Yes |
| Super Crate Box | Platformer | No |
| Super Crate Box | Arcade | ? |
| Super Mario Bros. X | Platformer | Yes |
| Super Mario War | Platformer | Yes |
| Supernova | Text Adventure | No |
| Survival Crisis Z | Survival | No |
| Survivor: The Living Dead | Survival | No |
| Survivors of Ragnarok | Platformer | No |
| SuteF | Platformer | No |
| Sword of Fargoal Remake | Roguelike | No |
| Tales of Maj'Eyal (TOME4) | Roguelike | No |
| Teen Agent | Adventure | No |
| The Apocalyptic Game About Penguins | Platformer | No |
| The Battle for Wesnoth | TBS | Yes |
| The Cat and the Coup | Documentary(?) | No |
| The Mirror Lied | JRPG | No |
| The Museum of Broken Memories | Adventure | No |
| The Overseer Project | SBURB Simulator | In-browser |
| The Sphere | First Person Puzzle | No |
| The Spirit Engine | Platformer RPG | No |
| The Spirit Engine 2 | Platformer RPG | No |
| The Wager | Adventure | No |
| The Witch's House | Puzzle Horror | No |
| They Need To Be Fed | Platformer | No |
| Titans of Steel: Warring Suns | TBS | Yes |
| TomeNet | Roguelike | Online-only |
| Toribash | TBS | Yes |
| TrackMania Nations Forever | Racing | Yes |
| Transcendence | Roguelike | No |
| Tremulous | FPS | Online-only |
| Triangle Wizard | Roguelike | No |
| Tribes Next | FPS | Yes |
| Trilby's Notes | Adventure | No |
| Trilby: The Art of Theft | Platformer | No |
| TripleA | TBS | Yes |
| Tripline | Puzzle | No |
| TrueCombat:Elite | FPS | Yes |
| Tyrian 2000 | TDS | Yes |
| UFO: Alien invasion | TBS | No |
| Ur-Quan Masters | Adventure | Yes |
| Urban Terror | FPS | Yes |
| Vantage Master | RPG | Yes |
| Vega Strike | RTS | Yes |
| Via Galactica | Space Trader | No |
| Vidiot Game | Minigames | No |
| Warsow | FPS | Yes |
| Warzone 2100 | RTS | Yes |
| Within a Deep Forest | Platformer | No |
| WolfQuest | Simulation | Yes |
| Worms Shooter | Shooter | Yes |
| Wroom | Racing | Yes |
| Xenophage: Alien Bloodsport | Fighting | No |
| Xonotic | FPS | Yes |
| YASS | FPS | Yes |
| You Have to Win the Game | Exploration Platformer | No |
| YSFlight 2000 | Simulation | Yes |
| Yume Nikki (Dream Diary) | JRPG | No |
| Zaboodles! | Arcade | No |
| Zafehouse | RPG | No |
| Zork Trilogy | Text Adventure | No |
