There are a variety of file formats that can be found in the game data. You can see an example of the order these files are loaded in File Load Order.
| File Format | Purpose |
|---|---|
| .dol | The main executable that contains all the code for the game. |
| .fpk | Compressed archives for files in the game. |
| .seq | Values and logic for the game. Think character health, attacks, etc. |
| .dat | HAL Labs HSD Model format. |
| .jcv | Bones/armature for associated DAT files. |
| .txg | Archive of one or more .tpl files. |
| .mot | Archive of one or more animations. |
| .trk | Used for music (also known as .adp). |
| .sam | Used for sound effects (also known as .samp). |
| .sdi | Used for sound effects (also known as .sdir). |
| .poo | Used for sound effects (also known as .pool). |
| .pro | Used for sound effects (also known as .proj). |
| .ptl | Used for particles. |
| .ref | ??? |
| .h4m | Used for movies. |