up&down arrow keys to move 1&2 keys to transform from snow pea to electric pea space to shoot if the zombies touch's your plants it dies if the zombies touch's the purple line your brains will be eaten they will be stronger zombies ;barricade zombie at 10 R.I.P.; iron bucket zombie at 20 R.I.P.; giant zombie at 30 R.I.P.; zombie king at 50 R.I.P., when you beat the zombie king you win