Extinction: Zombie Invasion

The zombie virus has spread all over the world, and you're one of the few survivors. Prepare your weapons and fight against the zombie horde! They will get stronger and faster, also bring strong mutant zombies! Kill the zombies and level up your character! Buy powerful skills and weapons, and stay alive! Survive as long as you can and challenge the people in the world! A variety of fun achievements are waiting for you!