| .0 | M3 DS Real |
| .555 | Black & White |
| .aao | America's Army |
| .abk | - Need for Speed Underground |
| .acx | Atari ST |
| .age3scn | Age of Empires 3 |
| .alr | (ADRIFT) |
| .am1 | (Adventure Maker) |
| .an2 | Croc Legend of the Gobbos |
| .arc | African Safari |
| .arch00 | F.E.A.R. |
| .arena | Quake 3 Arena |
| .atm | - (PSP) |
| .bar | Age of Empires III |
| .bar | Age of Mythology |
| .bgz | Blood Frontier |
| .bic | Civilization 3 |
| .big | Electronic Arts |
| .bik | - Civilization 4 |
| .bin | Sega Genesis |
| .biq | Civilization 3 |
| .bix | Civilization 3 |
| .blp | Blizzard |
| .bls | Blockland |
| .bmd | 3D- GameCube |
| .bme | - BeatMania |
| .bms | - BeatMania |
| .bng | The Bingo Maker |
| .bnk | Test Drive Unlimited |
| .bnz | The Bingo Maker |
| .bsa | Bethesda Softworks |
| .bsb | BioShock |
| .bsp | Valve |
| .bzw | BZFlag |
| .cbf | ChessBase |
| .cbs | Code Breaker PS2 |
| .cdp | Trainz Simulator |
| .cgf | 3D- Far Cry |
| .cgr | Audiosurf |
| .cgz | Cube |
| .chd | MAME |
| .chk | StarCraft |
| .cht | - SNES (Super Nintendo) |
| .col | Grand Theft Auto |
| .cpg | StarCraft |
| .cpx | Rise of Rome |
| .ct | - Cheat Engine |
| .ctm | Star Wars Republic Commando |
| .cty | SimCity |
| .d2s | Diablo II |
| .ddt | Football Manager |
| .dem | - |
| .dl | Zoo Tycoon 2 |
| .dm_82 | Wolfenstein 1.00 (-) |
| .dm_83 | - Wolfenstein 1.02 Demo |
| .dm_84 | Wolfenstein 2.06 (-) |
| .dm2 | - Quake 2 |
| .dms | Dream Maker |
| .dol | Gamecube |
| .dsg | Decker |
| .dxs | Deus Ex |
| .edat | (PSP) |
| .egm | Enigmo |
| .eix | Metin2 |
| .elf | PlayStation 2 |
| .eng | |
| .erb | Evil Genius |
| .erf | BioWare Entity |
| .esg | Enigmo |
| .exc | Black & White |
| .exs | Blades of Exile |
| .fc2map | Far Cry 2 |
| .ff | Call Of Duty 4 |
| .fgd | Forge |
| .fml | WWE |
| .fnta | Aleph One |
| .forge | Assassin's Creed |
| .fpg | (FPS Creator) |
| .fpid | FPS Creator AI Wizard |
| .fpmb | FPS Creator |
| .fpmo | FPS Creator |
| .fps | FPS Creator |
| .frc | Microsoft Flight Simulator |
| .fs2 | FreeSpace 2 |
| .fsg | FreeCol |
| .fsm | FreeSpace |
| .fst | Crazy Machines 2 |
| .galaxy | Blizzard Galaxy |
| .gam | |
| .gb | (Game Boy) |
| .gba | (Game Boy Advance) |
| .gbc | ROM- Nintendo Game Boy |
| .gbx | Nadeo |
| .gcf | |
| .gci | GameCube |
| .gcm | Nintendo GameCube |
| .gcs | GameCube (SharkSave) |
| .gmres | Game Maker |
| .gmv | Gens |
| .gpf | Ragnarok Online |
| .gpf | Gecko |
| .grf | Ragnarok |
| .grp | StarCraft |
| .h3m | Heroes 3 |
| .h4r | Heroes of Might and Magic IV |
| .ham | Descent 2 |
| .hhsl | () Shooting Practice |
| .hog | Descent |
| .hot | - The Sims |
| .hxm | Descent 2 |
| .ibt | , Thief 3 |
| .idx0 | Runescape |
| .idx255 | Runescape |
| .imga | Aleph One |
| .ips | |
| .isr | GoMoku |
| .ivt | International Volleyball 2006 |
| .iwd | Call Of Duty |
| .j2i | - Jazz 2 |
| .j2l | Jazz Jackrabbit 2 |
| .jam | PS3 Unreal Tournament 3 |
| .jg4 | BigJig |
| .kwreplay | Command & Conquer 3 |
| .l3d | Black & White |
| .ldb | Max Payne |
| .ldw | Virtual Villagers |
| .lgl | LeechGet |
| .lgp | - Final Fantasy |
| .ll | List & Label |
| .lmu | RPG Maker |
| .lsd | RPG Maker |
| .lsw | RPG Maker |
| .luxb | Lux |
| .lvl | |
| .m2 | 3D- World or Warcraft |
| .mae | My Avatar Editor |
| .manm | Vietcong |
| .map | Half-Life |
| .max | Action Replay MAX |
| .md2 | Quake 2 |
| .md3 | 3D- Quake III |
| .mdl | Half-Life |
| .mdm | Mario Dash |
| .menu | Quake 3 Engine |
| .mgl | Age of Empires 2 |
| .mgx | Age of Empires 2 Expansion |
| .mgx | Rise of Nations |
| .mis | |
| .mis | Marble Blast Gold |
| .mission | Vega Strike |
| .mm6 | Might and Magic 6 |
| .mm7 | Might and Magic 7 |
| .mm8 | Might and Magic 8 |
| .mp2m | Max Payne 2 |
| .mp2s | Max Payne 2 |
| .mpk | Project64 |
| .mpm | Max Payne |
| .mpn | (Mophun) |
| .mpq | Blizzard Mo'PaQ |
| .mpz | Red Eclipse |
| .mrs | GunZ |
| .n-gage | Nokia N-Gage |
| .n3pmesh | Knight Online 3D |
| .n64 | Nintendo 64 |
| .narc | Nintendo DS |
| .nav | AI Counter-Strike |
| .naz | Total Overdose |
| .ncf | |
| .nds | Nintendo DS |
| .nes | Nintendo |
| .ngage | N-Gage |
| .nltrack | NoLimits Roller Coaster |
| .nsbca | Nintendo DS |
| .nsbmd | 3D- Nintendo DS |
| .nsbtx | Nintendo DS |
| .ntrk | Pacific FIghters Online |
| .nup | Smart Security |
| .nv | (MAME) |
| .osz | Osu! Beatmap |
| .owc | OutWit |
| .p2m | - PlayStation 2 (Gameshark) |
| .p3t | PlayStation 3 |
| .package | The Sims 2 |
| .pbp | PSP |
| .pcc | Mass Effect 2 |
| .peg | Peggle |
| .pegn | Peggle Nights |
| .pgn | |
| .phn | Phun |
| .phya | (Aleph One) |
| .phz | Phun |
| .pig | Pirates of the Burning Sea |
| .pig | Descent |
| .pk3 | Id Software |
| .pk4 | (Doom 3 Engine) |
| .pkm | Pokemon |
| .pln | Microsoft Flight Simulator |
| .plr | rFactor |
| .pof | Descent |
| .pog | Descent 2 |
| .ppf | PlayStation |
| .pqhero | Puzzle Quest |
| .prk | Thrillville |
| .profile | Star Wars Battlefront II |
| .prx | PSP |
| .pss | - Playstation 2 |
| .psv | Sony Playstation 2 |
| .pwf | Counter-Strike PODBot |
| .pxp | Counter-Strike PODBot |
| .pzl | Tibo Jigs@w |
| .pzp | ( ) Tibo Jigs@w |
| .qdp | MPQDraft |
| .qvm | Quake III |
| .qwd | - QuakeWorld |
| .ras | Max Payne |
| .rbxl | ROBLOX |
| .rbxm | 3D- ROBLOX |
| .rep | Grand Theft Auto |
| .rep | StarCraft |
| .rfd | Emperor: Battle for Dune |
| .rfm | rFactor |
| .rgp | RealArcade |
| .rgss2a | RPG Maker VX |
| .rkp | (Rockchip MP4) |
| .rom | Nintendo 64 |
| .rot | Homeworld 2 |
| .rp2 | RetroPlatform Player |
| .rpl | Toribash |
| .rpy | Touhou Project |
| .rpyc | Ren'Py |
| .run | Rune |
| .rvproj | RPG Maker VX |
| .rxdata | RMXP |
| .s2mh | StarCraft 2 |
| .sa1 | ( Game Boy) |
| .sad | - Black & White |
| .sav | |
| .sc2archive | Blizzard StarCraft 2 |
| .sc2bank | StarCraft 2 |
| .sc2map | Blizzard StarCraft 2 |
| .sc2replay | Blizzard StarCraft 2 |
| .sc4 | Sim City 4 |
| .sc4lot | SimCity 4 |
| .scea | Aleph One |
| .scf | - SimTown |
| .scm | StarCraft |
| .scn | SimCity |
| .scs | Simcity Societies |
| .scx | |
| .scx | Microsoft |
| .sdt | - Grand Theft Auto III |
| .sfd | - Sega Dreamcast |
| .sfo | PSP |
| .sgb | Dawn of War |
| .sgb | (Super Game Boy) |
| .sh2 | Stronghold 2 |
| .shpa | Aleph One |
| .sims2pack | Sims 2 |
| .sims3pack | The Sims 3 |
| .sm | StepMania |
| .smc | Super Nintendo |
| .smd | Sega |
| .sms | Sega |
| .smzip | StepMania |
| .spr | 3D- Half-Life |
| .sprite | () SuperTux |
| .sqm | Operation Flashpoint |
| .srm | Super Nintendo |
| .sub | SubTerra |
| .sud | Sudoku |
| .sv5 | BigJig |
| .sv6 | Rollercoaster Tycoon 2 |
| .svs | Game Boy Advance |
| .swc | Wild Card Super Nintendo |
| .system | (Vega Strike) |
| .tap | Tap Tap Revenge |
| .tbm | Toribash |
| .ted | Tribes 2 |
| .tim | The Incredible Machine |
| .trk | Pacific FIghters Offline |
| .twt | Carmageddon 2 |
| .u | Unreal Tournament |
| .uax | - Unreal |
| .uc | UnrealScript |
| .umod | Unreal Tournament |
| .umx | - Unreal |
| .unity | Unity |
| .unr | Unreal Tournament |
| .uop | Ultima Online |
| .upk | Unreal Engine 3 |
| .usa | Unreal |
| .usx | 3D- Unreal |
| .ut2 | Unreal Tournament |
| .ut2mod | Unreal Tournament 2003/2004 |
| .ut3 | Unreal Tournament 3 |
| .ut4mod | Unreal Tournament 2004 |
| .utc | Bioware |
| .utx | Unreal Tournament |
| .uvx | Unreal Tournament 2003 |
| .uxx | Unreal Tournament |
| .v64 | (Nintendo 64 ROM) |
| .vb | Nintendo Virtual Boy |
| .vcm | Vice City Mod Manager |
| .viv | - PlayStation |
| .vmf | Valve |
| .vol | |
| .vp | Volition |
| .vtf | Valve |
| .w3g | Warcraft 3 |
| .w3n | Warcraft III Expansion |
| .w3x | Warcraft III Expansion |
| .w3z | WarCraft III |
| .wad | |
| .wagame | Worms Armageddon |
| .wal | Quake 2 |
| .wbt | Toribash |
| .wdf | Wiimm |
| .wgf | Widelands |
| .wl6 | Wolfenstein 3D |
| .wmo | World Of Warcraft |
| .wolfquest | WolfQuest |
| .wrpl | Widelands |
| .wrpl.wgf | ( ) Widelands |
| .wtd | Grand Theft Auto IV |
| .wtf | World of Warcraft |
| .wx | Microsoft Flight Simulator |
| .wz | MapleStory |
| .xbe | Xbox |
| .xbsav | Mass Effect 2 (Xbox) |
| .xds | DS Game Maker |
| .xen | Guitar Hero III |
| .xex | Xbox 360 |
| .xmb | Age of Empires |
| .xmb | X-Wing |
| .xom | 3D- Worms |
| .xpd | PlayStation Store PSP |
| .xpk | 3D- WWE RAW |
| .ycm | Yugioh Card Maker |
| .ydr | Yu-Gi-Oh! Power of Chaos |
| .ydt | Yu-Gi-Oh! Power of Chaos |
| .z2f | Zoo Tycoon 2 |
| .z64 | Nintendo 64 |
| .zds | GZDoom |
| .zmap | Zombies Ate My Neighbors |
| .zs0 | ZSNES ( #0) |
| .zs1 | ZSNES ( #1) |
| .zs2 | ZSNES ( #2) |
| .zs3 | ZSNES ( #3) |
| .zs4 | ZSNES ( #4) |
| .zs5 | ZSNES ( #5) |
| .zs6 | ZSNES ( #6) |
| .zs7 | ZSNES ( #7) |
| .zs8 | ZSNES ( #8) |
| .zs9 | ZSNES ( #9) |
| .zsd | Dave Mirra Freestyle BMX |
| .zst | ZSNES |
| .ztd | Zoo Tycoon |
| .ztmp | (Steam) |
| .zzz | Black & White |
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