--Controls-- Simply press the buttons. Just press anywhere else on the screen to stop walking --Zombs-- Normal zombs: Just walks slowly towards you and can be tricked into holes Jumping zombs: Faster than normal zombs and can jump over holes --Other-- You walk on the upgrade button to enter upgrade menu and you press the "start wave" button to start wave. The green orb heals you with 3 hp You get EXP by killing zombs but not by tricking them into holes