GCA

GCA (G Compression Archiver) is an archiving format developed in 2000 by Japanese programmer Shin-ichi Tsuruta. It is mostly used in compressing characters from the M.U.G.E.N game engine. It is optimized for compression ratio for binary files. DGCA was released later as a successor to it.

Identification
GCA files start with ASCII "".

Software

 * [ GCA v0.9k]

Links

 * Wikipedia article: M.U.G.E.N
 * GCA website (archived, Japanese)