This is an arcade version of the Mega Drive game Devil Crash (Crush in the US). It was announced at the AM Show '91 but never released. The original Devil Crash is for the PC-Engine (Naxat/Compile 1990) and was a sequel to Alien Crash (Naxat/Compile 1988). The Mega Drive version was ported by Techno Soft in 1991. Prototype.