Two players can share in the pain of this ultra-hard Altered beast port together, which does indeed reduce the difficulty slightly.
Altered Beast was released on the PC Engine (Turbografx-16) in Japan as Juuoki. The PC Engine version is graphically impressive but lacks the game's famous voice samples. More importantly, it's also impossibly hard.
This page contains co-op info for Altered Beast on the TurboGrafx [Classics]. All information about Altered Beast was correct at the time of posting. Information is subject to change. If you see any errors please email us.