| .OBB |
Android Opaque Binary Blob (APK Expansion File) |
| .PAK |
Game Resource Package (PAK) |
| .ROFL |
League of Legends Replay |
| .PACKAGE |
The Sims / Maxis DBPF Package (game content & mods) - dominant meaning |
| .XSB |
XACT Sound Bank |
| .SAV |
Saved Game File |
| .UNITY3D |
Unity Web Player Data File |
| .ASSET |
Unity Asset File |
| .RPF |
RAGE Package File (Rockstar Advanced Game Engine archive) |
| .WOTREPLAY |
World of Tanks Replay |
| .SMC |
Super Nintendo (SNES) ROM image |
| .BNK |
Wwise SoundBank |
| .PGN |
Portable Game Notation (chess) |
| .MTF |
Darkstone game archive (MTF) |
| .ROM |
Read-Only Memory Image (game/console ROM) |
| .NDS |
Nintendo DS ROM Image |
| .SPB |
SimProp Binary (Flight Simulator / ESP Mission) File |
| .MCMETA |
Minecraft Pack Metadata file |
| .GBA |
Game Boy Advance ROM Image |
| .SCS |
SCS Software game archive (Prism3D) |
| .MCWORLD |
Minecraft World (Bedrock) export file |
| .EPK |
Metin2 EterPack game data package |
| .NSZ |
Compressed Nintendo Switch Package |
| .IPS |
International Patching System ROM Patch |
| .WBFS |
Wii Backup File System |
| .XEX |
Xbox 360 Executable |
| .RPA |
Ren'Py Archive |
| .DEM |
Recorded Game Demo File |
| .SAVE |
Doom 3 Saved Game |
| .XP3 |
KiriKiri Visual Novel Archive |
| .SFC |
Super Famicom / Super Nintendo (SNES) ROM image |
| .SIMS3PACK |
The Sims 3 distributable content package (.sims3pack) |
| .NES |
Nintendo Entertainment System ROM Image |
| .VPK |
Valve Pak |
| .SCHEMATIC |
Minecraft Schematic File |
| .VFS |
UFO game Virtual File System archive |
| .BIG |
Electronic Arts BIG game archive |
| .FF |
Call of Duty FastFile |
| .WTF |
World of Warcraft Configuration Text File |
| .SVE |
Simutrans Saved Game |
| .SCN |
Age of Mythology / Age of Empires Scenario File |
| .SFB |
PlayStation 3 Disc Description File |
| .ESP |
Bethesda Elder Scrolls / Fallout Plugin |
| .XNB |
XNA Game Studio Compiled Content |
| .ASI |
ASI Game Plugin (renamed Windows DLL) |
| .Z64 |
Nintendo 64 Game ROM (big-endian) |
| .UNITYPACKAGE |
Unity Package File |
| .BSA |
Bethesda Softworks Archive |
| .PBP |
PlayStation Portable EBOOT/PBP Package |
| .PBO |
Bohemia Interactive Packed Bank of Files (PBO) |
| .WRPL |
Widelands Saved Replay |
| .VAR |
Virt-A-Mate Addon Package |
| .UPK |
Unreal Engine 3 Package |
| .PCK |
Game Package (game data archive) |
| .WAD |
Doom WAD (Where's All the Data) Game Archive |
| .FCM |
Brother ScanNCut Cutting Data File (.fcm) |
| .SRM |
SNES/SRAM Save File |
| .DNF |
Duke Nukem Forever Map File |
| .VDF |
Valve Data Format |
| .OSK |
osu! Skin Package |
| .VTF |
Valve Texture Format |
| .RXDATA |
RPG Maker XP Data File |
| .BSP |
Binary Space Partitioned Map File |
| .MCA |
Minecraft Anvil Region File |
| .DSV |
DeSmuME Saved Game File |
| .INV |
INVedit Minecraft Inventory File |
| .VOL |
Game Data Volume Archive |
| .N64 |
Nintendo 64 Game ROM (little-endian / word-swapped byte order) |
| .CRF |
Enhanced Dark Engine Game Archive |
| .BAR |
Age of Mythology / Age of Empires BAR Archive |
| .00 |
Ur-Quan Masters Saved Game (slot 00) |
| .PCF |
Valve Source Particle Cache File |
| .PNACH |
PCSX2 Patch File |
| .RPL |
Toribash Game Replay File |
| .GCZ |
Dolphin Compressed GameCube/Wii Disc Image |
| .XCI |
Nintendo Switch Cartridge Image |
| .PS2 |
PlayStation 2 Memory Card Image |
| .ICD |
Dungeon Keeper 2 Game Data File |
| .OSZ |
osu! Beatmap Package |
| .CHT |
Emulator Cheat Code File |
| .TED |
Alamo Engine Map File |
| .ACF |
Steam Application Cache File |
| .PKM |
Pokemon Individual Entity Data File |
| .BPS |
BPS Patch File (Beat Patch System) |
| .ESM |
Elder Scrolls Master File |
| .CRY |
CryEngine Level File |
| .PSX |
Sony PlayStation Save Game File |
| .GB |
Game Boy ROM Image |
| .WOLF |
Wolf RPG Editor Game Archive |
| .HOT |
The Sims Hotspot Object File |
| .XMB |
XML Binary Data File (Age of Empires / Ensemble Studios) |
| .IPG |
iPod Game Package |
| .BMD |
Nintendo J3D Binary Model (GameCube/Wii 3D model) |
| .EBM |
Ragnarok Online Emblem File |
| .NBT |
Minecraft Named Binary Tag File |
| .TIGER |
Crystal Dynamics Tiger Archive |
| .ARP |
Audition Online Replay File |
| .VIS |
Microsoft Flight Simulator Visibility Image File |
| .CDP |
Trainz Content Dispatcher Pack |
| .BANK |
FMOD Audio Bank File |