Crush the Heroes! The Kaizins gain power even when your phone is off! Truly novel idle TCG. Take back the world from the Heroes who dominate the post-Kaizin Rumble world! Game Description. Heroes rule the world after the end of Kaizin Rumble? Revive all the Kaizins in the world by becoming their Great Leader! The Kaizins will attack the Heroes automatically in their nations!