TR1X - RetroBIOS

Type	standalone
Classification	Game engines
Source	https://github.com/LostArtefacts/TRX
Version	unknown
Profiled	2026-10-04
Systems	tomb-raider-1

Technical notes

Enhanced engine for Tomb Raider 1 (1996), part of the TRX monorepo that also hosts TR2X and TR3X. Loads retail .phd level files, music tracks and FMV cutscenes from a Steam, GOG or disc install of TR1.

Path resolution (src/trx/game/paths.c): levels %mod_dir%/levels/<file> GAME_DYNAMIC_PATH_LEVEL_FILE fmv %mod_dir%/fmv/<file><ext> GAME_DYNAMIC_PATH_FMV_FILE music %mod_dir%/music/<name><ext> GAME_DYNAMIC_PATH_MUSIC_DIR with %mod_dir% = games/tr1 under the TRX root. The game-flow file, the catalog_*.csv tables, string tables, injections, images and shaders ship inside the TRX zip (data/trx/ship/) and are not user files.

FMV extension probing (src/trx/game/paths.c:76-79): .mp4 .mkv .mpeg .avi .webm .ogv .rpl .fmv .bik The retail Core/Eidos cutscenes are .rpl; the gameflow still names them .avi, resolution picks whichever extension exists.

Music backend (src/trx/game/music/backend_files.c:25-49): extensions .flac .ogg .mp3 .wav .wma file name trackNN.<ext> (two-digit) or N.<ext> Retail TR1 CD rips yield track02..track60.

TR1 keeps every sample inlined in the .phd level files, so no main.sfx accompanies the levels.

97 files | 21 required, 76 optional | 6 in repo, 89 missing, 2 unsourceable Categories: 97 game data

title.phd required unsourceable game_data

• Path: games/tr1/levels/title.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:38

gym.phd required missing game_data

• Path: games/tr1/levels/gym.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:59

level1.phd required missing game_data

• Path: games/tr1/levels/level1.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:95
• Caves

level2.phd required unsourceable game_data

• Path: games/tr1/levels/level2.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:116
• City of Vilcabamba

level3a.phd required missing game_data

• Path: games/tr1/levels/level3a.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:134
• Lost Valley

level3b.phd required missing game_data

• Path: games/tr1/levels/level3b.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:153
• Tomb of Qualopec

level4.phd required missing game_data

• Path: games/tr1/levels/level4.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:173
• St. Francis' Folly

level5.phd required missing game_data

• Path: games/tr1/levels/level5.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:194
• Colosseum

level6.phd required missing game_data

• Path: games/tr1/levels/level6.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:214
• Palace Midas

level7a.phd required missing game_data

• Path: games/tr1/levels/level7a.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:232
• The Cistern

level7b.phd required missing game_data

• Path: games/tr1/levels/level7b.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:252
• Tomb of Tihocan

level8a.phd required missing game_data

• Path: games/tr1/levels/level8a.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:278
• City of Khamoon

level8b.phd required missing game_data

• Path: games/tr1/levels/level8b.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:300
• Obelisk of Khamoon

level8c.phd required missing game_data

• Path: games/tr1/levels/level8c.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:321
• Sanctuary of the Scion

level10a.phd required missing game_data

• Path: games/tr1/levels/level10a.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:343
• Natla's Mines

level10b.phd required missing game_data

• Path: games/tr1/levels/level10b.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:376
• Atlantis

level10c.phd required missing game_data

• Path: games/tr1/levels/level10c.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:401
• The Great Pyramid

cut1.phd required missing game_data

• Path: games/tr1/levels/cut1.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:490
• Cutscene level 1 (after Qualopec)

cut2.phd required missing game_data

• Path: games/tr1/levels/cut2.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:511
• Cutscene level 2 (after Tihocan)

cut3.phd required missing game_data

• Path: games/tr1/levels/cut3.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:531
• Cutscene level 3 (Khamoon ambush)

cut4.phd required missing game_data

• Path: games/tr1/levels/cut4.phd
• Source: data/trx/ship/games/tr1/gameflow.json5:552
• Cutscene level 4 (Natla's mines)

core.avi optional missing game_data

• Path: games/tr1/fmv/core.rpl
• Aliases: core.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:576
• Core Design legal screen.

escape.avi optional missing game_data

• Path: games/tr1/fmv/escape.rpl
• Aliases: escape.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:577
• Eidos legal screen.

cafe.avi optional missing game_data

• Path: games/tr1/fmv/cafe.rpl
• Aliases: cafe.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:578
• Intro cutscene.

mansion.avi optional missing game_data

• Path: games/tr1/fmv/mansion.rpl
• Aliases: mansion.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:579

snow.avi optional missing game_data

• Path: games/tr1/fmv/snow.rpl
• Aliases: snow.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:580

lift.avi optional missing game_data

• Path: games/tr1/fmv/lift.rpl
• Aliases: lift.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:581

vision.avi optional missing game_data

• Path: games/tr1/fmv/vision.rpl
• Aliases: vision.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:582

canyon.avi optional missing game_data

• Path: games/tr1/fmv/canyon.rpl
• Aliases: canyon.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:583

pyramid.avi optional missing game_data

• Path: games/tr1/fmv/pyramid.rpl
• Aliases: pyramid.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:584

prison.avi optional missing game_data

• Path: games/tr1/fmv/prison.rpl
• Aliases: prison.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:585

end.avi optional missing game_data

• Path: games/tr1/fmv/end.rpl
• Aliases: end.rpl
• Source: data/trx/ship/games/tr1/gameflow.json5:586

track02.flac optional missing game_data

• Path: games/tr1/music/track02.flac
• Source: src/trx/game/music/backend_files.c:43

track03.flac optional missing game_data

• Path: games/tr1/music/track03.flac
• Source: src/trx/game/music/backend_files.c:43

track04.flac optional missing game_data

• Path: games/tr1/music/track04.flac
• Source: src/trx/game/music/backend_files.c:43

track05.flac optional missing game_data

• Path: games/tr1/music/track05.flac
• Source: src/trx/game/music/backend_files.c:43

track06.flac optional missing game_data

• Path: games/tr1/music/track06.flac
• Source: src/trx/game/music/backend_files.c:43

track07.flac optional missing game_data

• Path: games/tr1/music/track07.flac
• Source: src/trx/game/music/backend_files.c:43

track08.flac optional missing game_data

• Path: games/tr1/music/track08.flac
• Source: src/trx/game/music/backend_files.c:43

track09.flac optional missing game_data

• Path: games/tr1/music/track09.flac
• Source: src/trx/game/music/backend_files.c:43

track10.flac optional missing game_data

• Path: games/tr1/music/track10.flac
• Source: src/trx/game/music/backend_files.c:43

track11.flac optional missing game_data

• Path: games/tr1/music/track11.flac
• Source: src/trx/game/music/backend_files.c:43

track12.flac optional missing game_data

• Path: games/tr1/music/track12.flac
• Source: src/trx/game/music/backend_files.c:43

track13.flac optional missing game_data

• Path: games/tr1/music/track13.flac
• Source: src/trx/game/music/backend_files.c:43

track14.flac optional missing game_data

• Path: games/tr1/music/track14.flac
• Source: src/trx/game/music/backend_files.c:43

track15.flac optional missing game_data

• Path: games/tr1/music/track15.flac
• Source: src/trx/game/music/backend_files.c:43

track16.flac optional missing game_data

• Path: games/tr1/music/track16.flac
• Source: src/trx/game/music/backend_files.c:43

track17.flac optional missing game_data

• Path: games/tr1/music/track17.flac
• Source: src/trx/game/music/backend_files.c:43

track18.flac optional missing game_data

• Path: games/tr1/music/track18.flac
• Source: src/trx/game/music/backend_files.c:43

track19.flac optional missing game_data

• Path: games/tr1/music/track19.flac
• Source: src/trx/game/music/backend_files.c:43

track20.flac optional missing game_data

• Path: games/tr1/music/track20.flac
• Source: src/trx/game/music/backend_files.c:43

track21.flac optional missing game_data

• Path: games/tr1/music/track21.flac
• Source: src/trx/game/music/backend_files.c:43

track22.flac optional missing game_data

• Path: games/tr1/music/track22.flac
• Source: src/trx/game/music/backend_files.c:43

track23.flac optional missing game_data

• Path: games/tr1/music/track23.flac
• Source: src/trx/game/music/backend_files.c:43

track24.flac optional missing game_data

• Path: games/tr1/music/track24.flac
• Source: src/trx/game/music/backend_files.c:43

track25.flac optional missing game_data

• Path: games/tr1/music/track25.flac
• Source: src/trx/game/music/backend_files.c:43

track26.flac optional missing game_data

• Path: games/tr1/music/track26.flac
• Source: src/trx/game/music/backend_files.c:43

track27.flac optional missing game_data

• Path: games/tr1/music/track27.flac
• Source: src/trx/game/music/backend_files.c:43

track28.flac optional missing game_data

• Path: games/tr1/music/track28.flac
• Source: src/trx/game/music/backend_files.c:43

track29.flac optional missing game_data

• Path: games/tr1/music/track29.flac
• Source: src/trx/game/music/backend_files.c:43

track30.flac optional missing game_data

• Path: games/tr1/music/track30.flac
• Source: src/trx/game/music/backend_files.c:43

track31.flac optional missing game_data

• Path: games/tr1/music/track31.flac
• Source: src/trx/game/music/backend_files.c:43

track32.flac optional missing game_data

• Path: games/tr1/music/track32.flac
• Source: src/trx/game/music/backend_files.c:43

track33.flac optional missing game_data

• Path: games/tr1/music/track33.flac
• Source: src/trx/game/music/backend_files.c:43

track34.flac optional missing game_data

• Path: games/tr1/music/track34.flac
• Source: src/trx/game/music/backend_files.c:43

track35.flac optional missing game_data

• Path: games/tr1/music/track35.flac
• Source: src/trx/game/music/backend_files.c:43

track36.flac optional missing game_data

• Path: games/tr1/music/track36.flac
• Source: src/trx/game/music/backend_files.c:43

track37.flac optional missing game_data

• Path: games/tr1/music/track37.flac
• Source: src/trx/game/music/backend_files.c:43

track38.flac optional missing game_data

• Path: games/tr1/music/track38.flac
• Source: src/trx/game/music/backend_files.c:43

track39.flac optional missing game_data

• Path: games/tr1/music/track39.flac
• Source: src/trx/game/music/backend_files.c:43

track40.flac optional missing game_data

• Path: games/tr1/music/track40.flac
• Source: src/trx/game/music/backend_files.c:43

track41.flac optional missing game_data

• Path: games/tr1/music/track41.flac
• Source: src/trx/game/music/backend_files.c:43

track42.flac optional missing game_data

• Path: games/tr1/music/track42.flac
• Source: src/trx/game/music/backend_files.c:43

track43.flac optional missing game_data

• Path: games/tr1/music/track43.flac
• Source: src/trx/game/music/backend_files.c:43

track44.flac optional missing game_data

• Path: games/tr1/music/track44.flac
• Source: src/trx/game/music/backend_files.c:43

track45.flac optional missing game_data

• Path: games/tr1/music/track45.flac
• Source: src/trx/game/music/backend_files.c:43

track46.flac optional missing game_data

• Path: games/tr1/music/track46.flac
• Source: src/trx/game/music/backend_files.c:43

track47.flac optional missing game_data

• Path: games/tr1/music/track47.flac
• Source: src/trx/game/music/backend_files.c:43

track48.flac optional missing game_data

• Path: games/tr1/music/track48.flac
• Source: src/trx/game/music/backend_files.c:43

track49.flac optional missing game_data

• Path: games/tr1/music/track49.flac
• Source: src/trx/game/music/backend_files.c:43

track50.flac optional missing game_data

• Path: games/tr1/music/track50.flac
• Source: src/trx/game/music/backend_files.c:43

track51.flac optional missing game_data

• Path: games/tr1/music/track51.flac
• Source: src/trx/game/music/backend_files.c:43

track52.flac optional missing game_data

• Path: games/tr1/music/track52.flac
• Source: src/trx/game/music/backend_files.c:43

track53.flac optional missing game_data

• Path: games/tr1/music/track53.flac
• Source: src/trx/game/music/backend_files.c:43

track54.flac optional missing game_data

• Path: games/tr1/music/track54.flac
• Source: src/trx/game/music/backend_files.c:43

track55.flac optional missing game_data

• Path: games/tr1/music/track55.flac
• Source: src/trx/game/music/backend_files.c:43

track56.flac optional missing game_data

• Path: games/tr1/music/track56.flac
• Source: src/trx/game/music/backend_files.c:43

track57.flac optional missing game_data

• Path: games/tr1/music/track57.flac
• Source: src/trx/game/music/backend_files.c:43

track58.flac optional missing game_data

• Path: games/tr1/music/track58.flac
• Source: src/trx/game/music/backend_files.c:43

track59.flac optional missing game_data

• Path: games/tr1/music/track59.flac
• Source: src/trx/game/music/backend_files.c:43

track60.flac optional missing game_data

• Path: games/tr1/music/track60.flac
• Source: src/trx/game/music/backend_files.c:43

egypt.phd optional in repo game_data

• Path: games/tr1-ub/levels/egypt.phd
• Source: data/trx/ship/games/tr1-ub/gameflow.json5:63, tools/installer/TRX_Installer/InstallComponentFactory.cs:72-81, tools/installer/TRX_Installer/InstallMappings.cs:18-22
• Return to Egypt. The installer offers the original edition and a fan-patched edition of the level set.

cat.phd optional in repo game_data

• Path: games/tr1-ub/levels/cat.phd
• Source: data/trx/ship/games/tr1-ub/gameflow.json5:87, tools/installer/TRX_Installer/InstallComponentFactory.cs:72-81, tools/installer/TRX_Installer/InstallMappings.cs:18-22
• Temple of the Cat. The installer offers the original edition and a fan-patched edition of the level set.

end.phd optional in repo game_data

• Path: games/tr1-ub/levels/end.phd
• Source: data/trx/ship/games/tr1-ub/gameflow.json5:110, tools/installer/TRX_Installer/InstallComponentFactory.cs:72-81, tools/installer/TRX_Installer/InstallMappings.cs:18-22
• Atlantean Stronghold. The installer offers the original edition and a fan-patched edition of the level set.

end2.phd optional in repo game_data

• Path: games/tr1-ub/levels/end2.phd
• Source: data/trx/ship/games/tr1-ub/gameflow.json5:132, tools/installer/TRX_Installer/InstallComponentFactory.cs:72-81, tools/installer/TRX_Installer/InstallMappings.cs:18-22
• The Hive. The installer offers the original edition and a fan-patched edition of the level set.

title.phd optional in repo game_data

• Path: games/tr1-demo-pc/levels/title.phd
• Source: data/trx/ship/games/tr1-demo-pc/gameflow.json5:38, src/trx/game/game_flow/reader.c:903-909, src/trx/game/paths.c:123-132, tools/download_assets:67, tools/installer/TRX_Installer/InstallComponentFactory.cs:83-87
• Title level of the PC demo. A title level is also looked up in the levels directory of the game it extends, so games/tr1/levels/title.phd is used when this one is absent.

level2.phd optional in repo game_data

• Path: games/tr1-demo-pc/levels/level2.phd
• Source: data/trx/ship/games/tr1-demo-pc/gameflow.json5:56, src/trx/game/level/format/format_tr1.c:74-99, src/trx/game/level/format/format_tr1.c:186-191, tools/download_assets:67, tools/installer/TRX_Installer/InstallComponentFactory.cs:83-87
• City of Vilcabamba in the PC demo layout, which stores the palette before the cameras. The demo game does not load without it.

Generated on 2026-10-10T11:26:02Z