Bio-Hazard Battle, released in Japan as Crying: Aseimei Sensou, is a 1992 scrolling shooter released for the Sega Mega Drive/Genesis and for the Sega Mega Play arcade platform.
The game is a 2D horizontally scrolling shooter. The character chosen by the player can be moved in 8 directions by the D-Pad. The player can move, shoot, dodge, and block. To block an enemy projectile, the player must place the Power Star in the path of the projectile. There is also an array of different weapons at the ships' disposal. Four different craft are available and each has different weapons. Their flight speeds also vary.
