Game File Types - File extensions used for game files.
| Extension | File Description | Popularity | |
| .0 | M3 DS Real Save File | Average | |
| .001 | Snes9x Slot 2 Saved State | Average | |
| .aao | America's Army Map File | Average | |
| .abk | Need for Speed Underground Audio | Average | |
| .acx | Atari ST Program | Uncommon | |
| .am1 | Adventure Maker | Average | |
| .arc | African Safari Data File | Uncommon | |
| .arch00 | F.E.A.R. Game Archive | Average | |
| .bar | Age of Empires III Data File | Average | |
| .bar | Age of Mythology Data File | Uncommon | |
| .bic | Civilization 3 Scenario | Average | |
| .big | Electronic Arts Game Data File | Average | |
| .bik | Video Game Movie File | Average | |
| .bin | Sega Genesis Game ROM | Average | |
| .bin | Nintendo DS Binary File | Average | |
| .biq | Civilization 3 Scenario | Average | |
| .bix | Civilization 3 Scenario | Average | |
| .blp | Blizzard Texture File | Average | |
| .bls | Blockland Saved Game File | Average | |
| .bmd | GameCube 3D Model File | Average | |
| .bme | BeatMania 7-Key Song File | Average | |
| .bms | BeatMania Song File | Average | |
| .bnk | Test Drive Unlimited Data Package | Average | |
| .bsa | Bethesda Softworks Archive | Average | |
| .bsb | BioShock Saved Game File | Common | |
| .bsp | Valve Game Map File | Common | |
| .bzw | BZFlag World File | Common | |
| .cbf | ChessBase Game Information File | Uncommon | |
| .cdp | Trainz Simulator Content Dispatcher Pack | Average | |
| .cdp2 | Trainz Classics Content Dispatcher Pack 2 | Average | |
| .cgf | Far Cry Model File | Average | |
| .cgz | AssaultCube Map File | Average | |
| .chk | StarCraft Chunk File | Average | |
| .cht | SNES Cheat File | Uncommon | |
| .cm | CLEO Custom Mission | Uncommon | |
| .col | Grand Theft Auto Collision File | Average | |
| .cpg | StarCraft Campaign File | Uncommon | |
| .cpx | Rise of Rome Campaign File | Rare | |
| .cs | CLEO Custom Script | Uncommon | |
| .ct | Cheat Engine Cheat Table | Average | |
| .cty | SimCity City File | Average | |
| .db | X-Ray Engine Database | Uncommon | |
| .ddt | Football Manager Keep Player Data File | Average | |
| .dem | Video Game Demo | Common | |
| .dl | Zoo Tycoon 2 Data File | Uncommon | |
| .dm2 | Quake 2 Demo File | Average | |
| .dms | Dream Maker Script | Average | |
| .dm_82 | Wolfenstein 1.00 Demo Movie File | Average | |
| .dm_83 | Wolfenstein 1.02 Demo Movie File | Average | |
| .dm_84 | Wolfenstein 2.06 Demo Movie File | Average | |
| .dol | Gamecube Executable File | Average | |
| .dxs | Deus Ex Saved Game | Average | |
| .egm | Enigmo Custom Game File | Average | |
| .eix | Metin2 Game Data File | Rare | |
| .elf | PlayStation 2 Game Data | Average | |
| .eng | Chess Engine | Average | |
| .epk | Metin2 Game Data Package | Rare | |
| .erb | Evil Genius Resource File | Average | |
| .esg | Enigmo Saved Game File | Average | |
| .exs | Blades of Exile Scenario | Uncommon | |
| .far | The Sims Archive File | Average | |
| .fc2map | Far Cry 2 User Map | Uncommon | |
| .ff | Call of Duty 4 Fast File | Average | |
| .fl | Freelancer Saved Game File | Average | |
| .fml | WWE RAW Character File | Average | |
| .forge | Assassin's Creed Game Data File | Average | |
| .fpg | FPS Creator Game Project File | Average | |
| .fpid | FPS Creator AI Wizard Data File | Uncommon | |
| .fpm | FPS Creator Map File | Average | |
| .fpmb | FPS Creator Mab Buffer File | Uncommon | |
| .fpmo | FPS Creator Map Overlay File | Uncommon | |
| .fpp | FPS Creator Prefab File | Uncommon | |
| .fps | FPS Creator Segment File | Average | |
| .frc | FS Recorder File | Uncommon | |
| .frz | Snes9x Saved State | Uncommon | |
| .fs2 | FreeSpace 2 Saved Mission File | Average | |
| .fsg | FreeCol Saved Game File | Uncommon | |
| .fsm | FreeSpace Mission File | Average | |
| .fst | Crazy Machines 2 Object File | Average | |
| .gam | Saved Game File | Very Common | |
| .game | Apple Chess Saved Game | Average | |
| .gb | Game Boy ROM File | Average | |
| .gba | Game Boy Advance ROM | Common | |
| .gbc | Game Boy Color ROM | Average | |
| .gbx | Nadeo Game File | Average | |
| .gcf | Game Cache File | Average | |
| .gci | GameCube Save File | Uncommon | |
| .gcm | Game Cube ROM | Uncommon | |
| .gcs | GameCube SharkSave File | Rare | |
| .gmres | Game Maker Resource File | Average | |
| .gmv | Gens Game Recording | Rare | |
| .gr2 | Granny 3D File | Average | |
| .grf | Ragnarok Client Archive | Average | |
| .grp | StarCraft Graphics Group File | Average | |
| .h3m | Heroes 3 Map File | Average | |
| .h4r | Heroes of Might and Magic IV Data File | Average | |
| .ham | Descent 2 Resource File | Uncommon | |
| .hhsl | Hockey High Score List File | Rare | |
| .hit | The Sims Sound File | Average | |
| .hog | Descent Mission File | Uncommon | |
| .hot | The Sims Sound File | Average | |
| .hxm | Descent 2 Resource Modification | Rare | |
| .ibt | Texture and Model File | Average | |
| .idx0 | Runescape Cache Index File | Average | |
| .idx255 | Runescape Cache File | Average | |
| .ips | Internal Patching System Patch File | Average | |
| .isr | GoMoku Game File | Average | |
| .ivt | International Volleyball 2006 Data File | Average | |
| .iwd | Call of Duty Game Data File | Common | |
| .j2i | Jazz 2 Internet Link File | Average | |
| .j2l | Jazz Jackrabbit 2 Level File | Average | |
| .jam | PS3 Unreal Tournament 3 Mod File | Average | |
| .jg4 | BigJig Jigsaw Puzzle | Average | |
| .kwreplay | Command & Conquer 3 Replay File | Average | |
| .ldb | Max Payne Level File | Average | |
| .lgl | LeechGet Download List | Uncommon | |
| .lgp | Final Fantasy Media Archive | Average | |
| .ll | List & Label Preview File | Average | |
| .lmu | RPG Maker Map File | Average | |
| .lsd | RPG Maker Game Save File | Average | |
| .lsw | RPG Maker Saved Game File | Average | |
| .luxb | Lux Map File | Average | |
| .lvl | Game Level File | Average | |
| .m2 | World or Warcraft Model Object | Average | |
| .map | Half-Life Map File | Average | |
| .masseffectsave | Mass Effect Saved Game | Common | |
| .mato | Atomic Combat Saved Game | Rare | |
| .max | Action Replay Max Save File | Rare | |
| .md2 | Quake 2 Player Model | Average | |
| .md3 | Quake III 3D Model | Average | |
| .mdl | Half-Life Model File | Average | |
| .mdm | Mario Dash Map File | Rare | |
| .me2mod | Mass Effect 2 Modification File | Uncommon | |
| .mem | Virtual Game Station Memory File | Average | |
| .mgl | Age of Empires 2 Replay File | Average | |
| .mgx | Age of Empires 2 Expansion Replay File | Average | |
| .mgx | Rise of Nations Saved Game | Average | |
| .mis | Saved Game Mission File | Average | |
| .mis | Marble Blast Gold Mission File | Average | |
| .mix | Command & Conquer Data File | Uncommon | |
| .mm6 | Might and Magic 6 Saved Game | Average | |
| .mm7 | Might and Magic 7 Saved Game | Average | |
| .mm8 | Might and Magic 8 Saved Game | Average | |
| .mod | Neverwinter Nights Module | Uncommon | |
| .mp2m | Max Payne 2 Mod File | Average | |
| .mp2s | Max Payne 2 Saved Game | Average | |
| .mpk | Project64 Memory Pack File | Average | |
| .mpm | Max Payne Modfication File | Average | |
| .mpq | Blizzard Mo'PaQ File | Common | |
| .mps | Max Payne Saved Game | Average | |
| .mrs | GunZ Game Data File | Average | |
| .mus | Playstation 2 Music File | Average | |
| .n-gage | N-Gage Application | Uncommon | |
| .n3pmesh | Knight Online 3D Mesh File | Average | |
| .n64 | Nintendo 64 Emulator ROM File | Average | |
| .nav | Counter-Strike Bot Navigation File | Uncommon | |
| .ncf | No Cache File | Average | |
| .nds | Nintendo DS Game ROM | Average | |
| .nes | Nintendo (NES) ROM File | Very Common | |
| .nfo | Age of Empires Player File | Uncommon | |
| .ngage | N-Gage Game File | Average | |
| .nltrack | NoLimits Roller Coaster Track File | Average | |
| .nsbca | Nintendo DS Model Animation File | Average | |
| .nsbmd | Nintendo DS Model File | Average | |
| .nsbtx | Nintendo DS Model Texture File | Average | |
| .ntrk | Pacific FIghters Online Track File | Average | |
| .osz | Osu! Beatmap File | Common | |
| .ovl | Rollercoaster Tycoon 3 Sprites File | Uncommon | |
| .owc | OutWit Catch Database | Uncommon | |
| .p2m | Gameshark PlayStation 2 Cheats file | Uncommon | |
| .p3t | PlayStation 3 Theme File | Average | |
| .package | The Sims 2 Package File | Average | |
| .pbp | PSP Firmware Update File | Average | |
| .pcc | Mass Effect 2 Package | Common | |
| .peg | Peggle Replay File | Uncommon | |
| .pegn | Peggle Nights Replay File | Uncommon | |
| .pgn | Portable Game Notation File | Average | |
| .phn | Algodoo Phun Phunlet | Average | |
| .phz | Algodoo Phun Compressed Phunlet | Uncommon | |
| .pig | Pirates of the Burning Sea Data File | Average | |
| .pig | Descent Texture File | Uncommon | |
| .pk3 | Id Software Game Mod File | Average | |
| .pkg | PlayStation Store Downloaded Package | Average | |
| .pkm | Pokemon Saved Game Data File | Rare | |
| .pln | Flight Simulator Flight Plan | Common | |
| .pod | Terminal Reality Game Data File | Common | |
| .pof | Descent Robot Definition File | Rare | |
| .pog | Descent 2 Texture Modification | Rare | |
| .ppf | PlayStation Patch Format File | Average | |
| .pqhero | Puzzle Quest Saved Game | Average | |
| .prk | Thrillville Park File | Average | |
| .prx | PSP Plugin File | Average | |
| .pss | Playstation 2 Game Video File | Average | |
| .psv | Playstation 2 Save File | Average | |
| .pwf | Counter-Strike PODBot Waypoint File | Average | |
| .pxp | Counter-Strike PODBot Experience File | Average | |
| .pzl | Tibo Jigs@w Puzzle File | Uncommon | |
| .pzp | Tibo Jigs@w Compressed Puzzle File | Uncommon | |
| .qvm | Quake III Virtual Machine File | Uncommon | |
| .qwd | QuakeWorld Demo File | Average | |
| .ras | Remedy Archive System File | Average | |
| .rbxl | ROBLOX Location | Average | |
| .rbxm | ROBLOX Model | Average | |
| .rep | StarCraft Replay File | Average | |
| .rep | Grand Theft Auto Replay File | Common | |
| .rfm | rFactor Modification File | Average | |
| .rgp | RealArcade Game Package | Average | |
| .rkp | Rockchip MP4 Player Game | Rare | |
| .rom | N64 Game ROM File | Very Common | |
| .rot | Homeworld 2 Graphics File | Uncommon | |
| .rp2 | RetroPlatform Player Program Archive | Rare | |
| .rpl | Toribash Replay File | Average | |
| .rpy | Touhou Project Replay File | Uncommon | |
| .run | Rune Map File | Average | |
| .rvproj | RPG Maker VX Project File | Average | |
| .rxdata | RMXP Data File | Average | |
| .sad | Black & White Audio File | Average | |
| .sav | Saved Game | Very Common | |
| .sc4 | Sim City 4 Saved File | Average | |
| .scf | SimTown Sounds File | Uncommon | |
| .scm | StarCraft Map File | Uncommon | |
| .scn | SimCity Scenario File | Average | |
| .scn | Age of Mythology Scenario File | Common | |
| .scs | Simcity Societies Save Game File | Common | |
| .scx | Game Scenario File | Average | |
| .scx | Microsoft Game Scenario File | Average | |
| .sdt | Grand Theft Auto III Audio File | Average | |
| .sfd | Sofdec Dreamcast Movie | Average | |
| .sfo | PSP Game Parameters File | Average | |
| .sgb | Super Game Boy ROM File | Uncommon | |
| .sgb | Dawn of War Map File | Average | |
| .sims2pack | Downloaded Sims 2 Package File | Average | |
| .sims3pack | The Sims 3 Package File | Common | |
| .sm | StepMania Song File | Common | |
| .smc | Super Nintendo Game ROM | Average | |
| .smd | Sega Mega Drive ROM | Average | |
| .sms | Sega Master System ROM File | Uncommon | |
| .smzip | StepMania Package | Average | |
| .spr | Half-Life Sprite File | Average | |
| .sprite | SuperTux Sprite File | Average | |
| .sqm | Operation Flashpoint Mission File | Average | |
| .srm | Super Nintendo ROM Save File | Average | |
| .sub | SubTerra Level File | Average | |
| .sud | Sudoku Puzzle File | Average | |
| .sv5 | BigJig Saved Puzzle | Average | |
| .sv6 | RollerCoaster Tycoon 2 Saved Game | Average | |
| .svs | Game Boy Advance Saved State File | Average | |
| .swc | Super Nintendo Wild Card ROM File | Average | |
| .swv | Microsoft Sidewinder Game Voice Settings File | Rare | |
| .tap | Tap Tap Revenge Tap File | Rare | |
| .tbm | Toribash Mod File | Average | |
| .ted | Tribes 2 Game Data File | Average | |
| .tim | The Incredible Machine Level | Average | |
| .toc | World of Warcraft Addon Table of Contents File | Average | |
| .trk | Pacific Fighters Offline Track File | Uncommon | |
| .twt | Carmageddon 2 Data File | Average | |
| .u | Unreal Tournament Class Package | Average | |
| .uax | Unreal Audio Package | Average | |
| .uc | UnrealScript Class | Average | |
| .ukx | Unreal Animation Package | Average | |
| .umod | Unreal Tournament Module File | Average | |
| .umx | Unreal Music Package | Average | |
| .unity | Unity Scene File | Average | |
| .unity3d | Unity Scene Web Player File | Uncommon | |
| .unr | Unreal Level Map | Average | |
| .uop | Ultima Online Patch File | Average | |
| .upk | Unreal Engine 3 Package | Common | |
| .usa | Unreal Saved Game File | Average | |
| .usx | Unreal Static Meshes | Average | |
| .ut2 | Unreal Tournament Map | Average | |
| .ut2mod | Unreal Tournament 2003/2004 Module File | Average | |
| .ut3 | Unreal Tournament 3 Map File | Average | |
| .ut4mod | Unreal Tournament 2004 Module | Average | |
| .utc | Bioware Creature File | Average | |
| .utx | Unreal Texture Package | Average | |
| .uvx | Unreal Tournament 2003 Saved Game | Average | |
| .uxx | Unreal Tournament Cache | Average | |
| .v64 | Nintendo 64 ROM Dump | Average | |
| .vb | Virtual Boy ROM File | Average | |
| .vcm | Vice City Mod Manager File | Average | |
| .vdf | Gothic Game Data File | Uncommon | |
| .vis | Visibility Image File | Average | |
| .viv | PlayStation Video File | Average | |
| .vmf | Valve Map File | Average | |
| .vob | Live for Speed Car File | Average | |
| .vol | Video Game Archive | Average | |
| .vtf | Valve Texture File | Common | |
| .w3g | Warcraft 3 Replay File | Average | |
| .w3m | Warcraft III Map File | Common | |
| .w3n | Warcraft III Expansion Campaign File | Common | |
| .w3x | Warcraft III Expansion Map FIle | Common | |
| .w3z | WarCraft III Saved Game File | Average | |
| .wad | Wally Game Texture Archive | Average | |
| .wagame | Worms Armageddon Game Recording | Average | |
| .wal | Quake 2 Texture File | Average | |
| .wbt | Toribash Help File | Average | |
| .wl6 | Wolfenstein 3D Data File | Uncommon | |
| .wmo | World of Warcraft World Map Object | Uncommon | |
| .wtd | Grand Theft Auto IV Textures File | Average | |
| .wtf | World of Warcraft Text File | Average | |
| .wx | Flight Simulator Weather File | Average | |
| .wz | MapleStory Game Data File | Common | |
| .wz | Warzone 2100 Data File | Average | |
| .xbe | Xbox Executable File | Average | |
| .xbsav | Mass Effect 2 Xbox Saved Game | Uncommon | |
| .xds | DS Game Maker Project File | Average | |
| .xen | Guitar Hero III Data File | Average | |
| .xex | Xbox 360 Executable File | Common | |
| .xmb | Age of Empires Game Data File | Average | |
| .xmb | X-Wing Mission Briefing File | Average | |
| .xom | Worms 3D Object File | Average | |
| .xpd | PlayStation Store PSP License File | Average | |
| .xpk | WWE RAW Model File | Average | |
| .xs | Age of Empires 3 Map AI Generator | Average | |
| .ycm | Yugioh Card Maker File | Average | |
| .ydc | Yu-Gi-Oh! Card Deck File | Average | |
| .ydr | Yu-Gi-Oh! Power of Chaos Replay File | Average | |
| .z2f | Zoo Tycoon 2 Object File | Common | |
| .z64 | Nintendo 64 Game ROM | Average | |
| .zds | GZDoom Save File | Average | |
| .zmap | Zombies Ate My Neighbors Map File | Average | |
| .zoo | Zoo Tycoon Saved Game | Average | |
| .zs0 | ZSNES Slot 0 Save State File | Average | |
| .zs1 | ZSNES Slot 1 Save State File | Average | |
| .zs2 | ZSNES Slot 2 Save State File | Average | |
| .zs3 | ZSNES Slot 3 Save State File | Average | |
| .zs4 | ZSNES Slot 4 Save State File | Average | |
| .zs5 | ZSNES Slot 5 Save State File | Average | |
| .zs6 | ZSNES Slot 6 Save State File | Average | |
| .zs7 | ZSNES Slot 7 Save State File | Average | |
| .zs8 | ZSNES Slot 8 Save State File | Average | |
| .zs9 | ZSNES Slot 8 Save State File | Average | |
| .zsd | Dave Mirra Freestyle BMX Data File | Rare | |
| .zst | ZSNES Save File | Average | |
| .ztd | Zoo Tycoon Data Archive | Average |
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