| Maps |
.unr and .ut2 |
Game maps or levels define the playing area |
| Textures |
.utx |
Images put on to objects. Can wrap around 3D objects like a car wrap does. |
| Music |
.umx and .ogg |
Music files such as theme music you hear in the background |
| Sounds |
.uax |
Various sounds of things like explosions, clicks, etc. |
| System |
.u, .int, and .ini |
Game engine files, configuration files are the core of the game server |
| StaticMeshes |
.usx |
Object visuals mostly. See here for more detail. |
| Animations |
.ukx |
Little prefab animations like flames, weapon spawn sparkles, etc. |
| Karma |
.ka |
|
| Prefabs |
.upx |
|
