WAR RATS The Rat em Up is a hand-drawn side-scrolling shooter that combines tower defense and RPG elements with brutal 90's action. You lead rat armies in the post-apocalyptic world of Ratopia against the TechnoRat, a cyborg consciousness bent on turning all flesh into metal. Gameplay combines strategic troop management with intense gunplay as you fight your way through enemy-controlled areas to TechnoRat’s headquarters.