#a wasd to move click and hold to shoot peashooter has faster bullets but can only hit two zombies at a time sunflower has slower bullets but can hit three zombies at a time wallnut has the slowest bullets but can hit as many zombies as it needs to cactus has the quickest bullets that can only hit one zombie at a time Buffs and debuffs sunflower - slower at night wallnut - has more health cactus - is slower in non-pool levels