Bloody Walls

Bloody Walls takes place after an accident at a bio-weapon research facility plunges the world into chaos. The entire human population has been infected, and a temporary antidote that blocks the airborne strain of the virus has become the new world's currency. You learn that a vast supply of the antidote is stored on the top floor of a bio-weapon lab.

Game features

The game features an original mechanic for dealing damage to enemies and four-bit graphics using the Game Boy's color palette.