UXB (Sigma) Title: UXB (Sigma) Original version: UXB Category: Game/Action Release Date: 1985 Language: Spanish Size: 16K Machine: PAL & NTSC Code Type: Machine code Distribution: Commercial Game ending type: No end (highscore)   Released by: Grupo Sigma S.A. (Sigma) Notes: Release date unconfirmed, but appears in the beginning of the program. No downloads available.No votes yet.