OG Gaiden English Translation — v73

First complete English fan-translation of Super Robot Taisen: Original Generation Gaiden (PS2, JP serial SLPS-25836).

Download

Grab SRW_OG_Gaiden_EN_v73.xdelta below and apply it to your own legally-dumped Japanese disc image. The patch contains only the translation (changed bytes) — no copyrighted game data.

Required base ISO (your own JP dump)

Serial	SLPS-25836
Size	4,666,294,272 bytes
MD5	cb7dc4485f46f220c46095c966a3aad0
SHA1	2891231bc85603d420c35cda55285d5ecb781f1b

Apply

xdelta3 -d -s "<your JP iso>" SRW_OG_Gaiden_EN_v73.xdelta OG_Gaiden_EN_v73.iso

Windows users: the Delta Patcher GUI is the easiest route. Full instructions + result checksums are in the README and CHECKSUMS.txt.

What's translated

Story dialogue, system/menu text, in-battle barks & cut-in banners, HUD, title logo and menu art, and post-game content — the goal is no Japanese left on screen during normal play.

Non-commercial fan project. Do not sell the patch or patched discs. Distribute the patch only, never the ISO.