Common / Understood
- BND - Binder File (stores multiple related content files in a single file)
- DRB - UI element shape definitions
- EMEDF / EMEVD / EMELD / EVD - Network-synced world event scripting
- ESD - EzState Data (In-game state machine flowchart)
- FEV / FSB / ITL / MIX - Fmod Events / Fmod Sound Banks / other sound struff
- FLVER - Mesh
- FMG - In-game text strings. Separated by language.
- HKX - Havok Binary Packfile
- LUA / LUAGNL / LUAINFO - In-game AI scripting
- MSB - MapStudio Binary (Determines entity spawns & event triggers)
- MTD - Material Definition
- NVM - Navimesh
- PARAM / PARAMDEF - Spreadsheet of various numeric parameters (stats, configurations, etc)
- SIBCAM - Cutscene Camera Animation
- SL2 - Save File
- TAE / MOVTAE - TimeAct Editor files (Timed events that interact with gameplay during animation playback)
- TPF - Texture Pack File
Miscellaneous
- BREAKOBJ - Pre-destroyed object debris placement setups for loading saves where things are already broken.
- BSIPWV
- CCM - Sprite font glyph definitions
- CTL - FaceGen Control
- DMY - Dummy file
- EGM
- EGT - FaceGen Statistical Texture
- FLVER2TRI
- FPO - Fragment Shader
- HKXPWV
- LOADLIST
- LOADLISTLIST
- MCG
- MCP
- NFD
- PROPERTIES
- PPO - Pixel Shader
- RPC
- TRI
- VPO - Vertex Shader
- WORLDLOADLISTLIST