GUT Archive Tools

GUT (most likely short for Genki Utility) Archive is an archive type used by the video game company Genki, known mostly for their PS2 racing games. This archive was used in games made around 2003-2006.

This program is an attempt to reverse engineer the archive to allow file modding.

Usage

gut_archive [mode] -0,... [log]

Modes

• -r <BUILD.TOC> <BUILD.DAT> <IN_DIR>: Rebuild files in <IN_DIR> into <BUILD.DAT>
• -d <BUILD.TOC> <BUILD.DAT> <OUT_DIR>: Decompress and output the archive to <OUT_DIR>
• -cd <FILE.DAT> <OUT_DIR>: Extract files from a .dat container (different from BUILD.DAT!!!)
• -cr <FILE.DAT> <IN_DIR>: Rebuild files into a .dat container (different from BUILD.DAT!!!)

Game switches

• -0: Tokyo Xtreme Racer DRIFT 2, Kaido Racer 2, Kaidou Battle - Touge no Densetsu, other games listed below
• -2: Import Tuner Challenge, Shutokou Battle X
• -3: Kaidou Battle 1 Taikenban
• -4: Kaidou Battle 2 PurePure 2 Volume 10 Demo

Logs

• -log: Save a log file after decompression/rebuilding

Examples

Regular decompression and extraction

.\gut_archive.exe -d .\BUILD.TOC .\BUILD.DAT BUILD_OUT

Decompression with logging

.\gut_archive.exe -d .\BUILD.TOC .\BUILD.DAT BUILD_OUT -log

For TXR:D2 and alike

.\gut_archive.exe -d .\BUILD.TOC .\BUILD.DAT BUILD_OUT -0

Extracting a .dat container

.\gut_archive.exe -cd .\00000010.DAT DAT_OUT

Rebuilding a .dat container

.\gut_archive.exe -cr .\00000010.DAT DAT_IN

Game compatibility table

✔️ - Works fine

❓ - Not tested

❌ - Doesn't work

➖ - Unrelated to the game

Name	Serial	System	Extract	Rebuild	Reimport	Comp. flag
Fu-un Bakumatsu-den	SLPM 65813	PS2	✔️	✔️	➖
Import Tuner Challenge	US-2030	X360	✔️	✔️	➖	-2
Kaido Racer	SLES 53191	PS2	✔️	✔️	➖
Kaido Racer 2	SLES 53900	PS2	✔️	✔️	➖	-0
Kaido Battle (Korea)	SLKA 25063	PS2	✔️	✔️	➖
Kaidou Battle - Nikko, Haruna, Rokko, Hakone	SLPM 65246	PS2	✔️	✔️	➖
Kaidou Battle 2 - Chain Reaction	SLPM 65514	PS2	✔️	✔️	➖
Kaidou Battle - Touge no Densetsu	SLPM 61121	PS2	✔️	✔️	➖	-0
Ninkyouden: Toseinin Ichidaiki Taikenban	SLPM 61144	PS2	✔️	✔️	➖	-0
Racing Battle: C1 Grand Prix	SLPM 65897	PS2	✔️	✔️	➖
Racing Battle: C1 Grand Prix Taikenban	SLPM 61115	PS2	✔️	✔️	➖
Shutokou Battle 01	SLPM 65308	PS2	✔️	✔️	➖
Shutokou Battle X	GE-2001	X360	✔️	✔️	➖	-2
Street Supremacy	ULUS 10069	PSP	✔️	✔️	➖
Tokyo Xtreme Racer 3	SLUS 20831	PS2	✔️	✔️	➖
Tokyo Xtreme Racer Drift	SLUS 21236	PS2	✔️	✔️	➖
Tokyo Xtreme Racer DRIFT 2	SLUS 21394	PS2	✔️	✔️	➖	-0
Wangan Midnight Portable	ULJM 05264	PSP	✔️	✔️	➖	-0
Fu-un Bakumatsu-den Taikenban	SLPM 61096	PS2	✔️	❓	❓
Fu-un Bakumatsu-den PurePure 2 Vol. 12 Demo	LPM 61096	PS2	✔️	❓	❓
Kaidou Battle 1 Taikenban Demo	SLPM 60195	PS2	✔️	❌	❓	-3
Kaidou Battle 2 Taikenban	SLPM 60228	PS2	✔️	❌	❌
Kaidou Battle 2 PurePure 2 Vol. 10 Demo	LPM 65514	PS2	✔️	❓	➖	-4
Shutokou Battle 01 Taikenban	SLPM 60206	PS2	✔️	❌	❌
Fu-un Shinsengumi	SLPM 65494	PS2	✔️	❓	❓
Fu-un Shinsengumi (Korea)	SLKA 25139	PS2	✔️	❓	❓
Fu-un Shinsengumi Taikenban	SLPM 60225	PS2	✔️	❓	❓
Ninkyouden: Toseinin Ichidaiki	SLPM 66274	PS2	❓	❓	❓
Shutokou Battle: Zone of Control	ULJM 05017	PSP	❓	❓	❓

Current issues

• A lot of undefined file types
• Problems with some games

Building

Windows

Needs the MSYS2 environment with the ucrt64 toolchain and ucl library installed.

gcc -Wall -Wextra -Wpedantic -O2 -fomit-frame-pointer src/main.c -o gut_archive.exe -I. -lucl -static

Linux

Needs the ucl library installed (libucl-dev).

gcc -Wall -Wextra -Wpedantic -O2 -fomit-frame-pointer src/main.c -o gut_archive -I. -lucl

Credits

• UCL - Used for compression and decompression.