In "Zombie Tsunami," players control a lone survivor who must navigate through a zombie-infested world. The objective is simple: survive for as long as possible while running, jumping, and flipping over obstacles to evade the undead hordes. As players progress, they can collect coins, power-ups, and upgrade their character's abilities. The game's appeal lies in its easy-to-learn yet challenging gameplay, coupled with its cute yet disturbing zombie designs.