List of file formats from ReWiki
ReWiki website is no longer available on the internet.
Here is the link to the backup version on the web archive https://web.archive.org/web/20180114112340/http://rewiki.regengedanken.de/wiki/List_of_file_formats
And here is the list of formats covered on the REWiki in the last web archive snapshot:
.ADT (Resident Evil 2)
.ALF (Realms of Arkania: Shadows over Riva)
.AMP (Dark Legions)
.APT (Dungeon Keeper)
.ARD (Resident Evil 3)
.BLV (Might and Magic 6)
.BSP (Quake)
.BSS (Resident Evil)
.CC (Might and Magic 3-5)
.CLM (Dungeon Keeper)
.CMP (Wipeout)
.COL (Dark Legions)
.DAT (Dark Legions)
.DAT (Desert Strike, Jungle Strike)
.DAT (Dungeon Keeper)
.DAT (Resident Evil 3)
.DAT (System Shock)
.DAT (Telekommando2)
.DAT (Marble Drop, 3D Pinball)
.DAX (Curse of the Azure Bonds)
.DIR (Commandos)
.DLT (Stargunner)
.DOC (Dungeon Keeper)
.EFF (Dungeon Keeper)
.EMD (Resident Evil 2)
.FLG (Dungeon Keeper)
.GLB (DemonStar, Raptor)
.HMP (Various DOS games)
.IDX (Discworld 1, Discworld 2, Discworld Noir)
.INF (Dungeon Keeper)
.LBX (Master of Orion, Master of Magic, Master of Orion 2)
.LGT (Dungeon Keeper)
.LOD (Might and Magic 6)
.MAP (Dark Legions)
.MD2 (Quake II)
.MD3 (Quake III Arena)
.MDL (Half-Life)
.MDL (Quake)
.MUS (Discworld 2)
.MUS (Discworld Noir)
.MUS (The Dark Eye)
OBJPROP.DAT (System Shock master object properties)
.ORI (Dungeon Keeper)
.OWN (Dungeon Keeper)
.PAK (Resident Evil)
.PLD (Resident Evil 2)
.PLW (Resident Evil 2)
.PRG (The Adventures of Robin Hood)
.PRM (Wipeout)
.RBH (Discworld Noir)
.RDT (Resident Evil)
.RDT (Resident Evil 2)
.RES (Eye of the Beholder 3)
.RES (System Shock, Ultima Underworld, Strike Force Centauri)
.SCN (Discworld 1, Discworld 2, Discworld Noir)
.SLB (Dungeon Keeper)
.SMP (Discworld 1, Discworld 2, Discworld Noir)
.SPR (Curse of Enchantia)
TEXTPROP.DAT (System Shock master texture properties)
.TGA (Might and Magic 6)
.TIM (Various PC and Playstation games)
.TMD (Various PC and Playstation games)
.TMN (Dungeon Keeper)
.TNG (Dungeon Keeper)
.TRF (Wipeout)
.TRS (Wipeout)
.TRV (Wipeout)
.TXT (Discworld 1, Discworld 2, Discworld Noir)
.TXT (Dungeon Keeper)
.VSN (Dungeon Keeper)
.WAD (Commandos)
.WIB (Dungeon Keeper)
Below is also the list of some additional resources from this link https://web.archive.org/web/20180113005114/http://rewiki.regengedanken.de/wiki/List_of_games
* Alien Legacy ANIM.*, CINEMA.*, VIDEO.* - .FLI *.DVF *.VOC *.XMI PLANET.* RESOURCE.* *.DAT *.YSU *.SCN *.DAT * Battle Isle 2 *.LIB *.TCT * The City of the Lost Children .ANI .DEM .CPA : palette file .CRP : pictures .ENV .FRM .PLV .SKL .SNW .TMM .TXE : English Text File .TXF : French Text File .TXG : German Text File .TXI : Italian Text File .TXS : Spanish Text File .ZBF * Commandos .DIR (Commandos) - Main game data file .WAD - Sprite pack file * Curse of Enchantia .PAL - palette file used for one or more .DAT files .DAT - compressed bitmaps .SPR - sprite file .MAP .BRD - "Brad" file .SFX - soundblaster sound .RS# - RS1 through RS5 - roland sound * The Dark Eye .AIF - Standard AIFF audio. .DIA - Director 4.0 Audio. Standard AIFF audio format. .DIR - Unprotected Director 4.0 Movie files. .DKY - Saved-game files. .MOV - QuickTime Cinepack movie files of differing resolutions and FPSs, with CBR, 22.3 kHz, 8-bit, mono unsigned little-endian PCM audio. .MUS - Standard AIFF audio. * Dark Legions .AMP - Combat-level maps .COL - Palettes .FLC - FLIC animations .GIF - Many non-animated graphics are stored as 320x200 .GIF images. .MAP - Strategic-level maps (stored in MAPS subfolder) .RAW - Sound effects: Unsigned 8-bit PCM, Mono, Little Endian, 11025 Hz .BDM - Companion index to .BDT files .BNK - Adlib Instrument Bank (Although there is some weirdness: they match, at least at a glance, the format spec, but the version number encoded in the files is 0.0 and programs that are supposed to work with .BNKs don't want to read them.) .BDT - Graphics data (UI related) .DAC - Graphics data .DAT - Graphics data .DMC - Companion index to .DAC files .DMP - Companion index to .DAT files .HMP - Music in HMP format .ARM .GAM .QGM .SGM * Realms of Arkania: Blade of Destiny .ADV Miles Sound System: Digital (Sampled) Sound Driver .CHR Player-Character (same as .NPC) .DAT Various (2 different container formats, the city 2.5d level layout, etc) .DDT Unknown .DNG Dungeon 2.5d level layout .DTX Ingame (dungeon) text (same as .LXT) .GAM Savegame .NPC Non-Player-Character (same as .CHR) .NVF Unknown .LST Unknown .LTX Ingame text (same as .DTX) .TAB Unknown .TLK Ingame dialog .VOC Creative Labs Vocal file .XMI Miles Sound System: Extended MIDI file .AD Miles Sound System: Global Timbre Library * Realms of Arkania: Shadows over Riva .3DM Unknown (3d map?) .AAF Unknown .ACE Unknown (not .ACE archives) .AIF Unknown .ALF Archive File .ANN Unknown .APA Unknown .ASF Unknown .BOB Unknown .DAT Unknown (various?) .DSC Unknown .DUM Dummy file (created by patch programms) .GAM Savegame .HMI Unknown .HTT documentation file, similar to .HTML .LST Unknown .LXT Ingame text file (a 26 byte-header followed by strings, see above) .MOF Unknown .MOV Unknown .MSK Unknown .NEI Unknown .NPC Non-Player-Characters .NVF Unknown .OFF Unknown .PAL Unknown (palette?) .PCX ZSoft's PC Paintbrush file .PIX Unknown (texture?) .PPD Unknown .RAW PCM signed raw audio .SMK RAD Smacker video file .TAB Unknown .XDF Ingame Dialog, header, binary dialog structure?, strings (see above) * Dungeon Keeper .APT, .CLM, .DAT, .DOC, .EFF, .FLG, .INF, .LGT, .OLD, .ORI, .OWN, .SLB, .TMN, .TNG, .TXT, .VSN, .WIB