The following tables display file extensions associated with game files, with extensions for the most commonly encountered file formats listed first:
| File Extension |
File Description |
| .bic |
Civilization 3 Scenario |
| .biq |
Civilization 3 Scenario |
| .bix |
Civilization 3 Scenario |
| .dxs |
Deus Ex Saved Game |
| .gam |
Saved Game File |
| .gba |
Game Boy Advance ROM |
| .gbc |
Game Boy Color ROM |
| .ham |
Descent 2 Resource File |
| .hog |
Descent Mission File |
| .hxm |
Descent 2 Resource Modification |
| .ibt |
Texture and Model File |
| .md2 |
Quake 2 Player Model |
| .mm6 |
Might and Magic 6 Saved Game |
| .mm7 |
Might and Magic 7 Saved Game |
| .mm8 |
Might and Magic 8 Saved Game |
| .n64 |
Nintendo 64 Emulator ROM Image |
| .pig |
Descent Texture File |
| .pof |
Descent Robot Definition File |
| .pog |
Descent 2 Texture Modification |
| .pss |
Playstation 2 Game Video File |
| .rgp |
RealArcade Game Package |
| .rxdata |
RMXP Data File |
| .sav |
Saved Game |
| .smc |
Super Nintendo Game ROM |
| .sms |
Sega Master System ROM |
| .vtf |
Valve Texture File |
| .wad |
Wally Game Texture Archive |
| .zsd |
Dave Mirra Freestyle BMX Data |
