Pengzilla

Each character has their own advantages and disadvantages. Penguin is an all rounder. Tree is very fast, but fires weakly, and collects the least points. Tortoise is very slow, but collects the most points and fires the strongest.

Penguin: WASD to move, Q to fire, E to block.

Tree: IJKL to move, U to fire, O to block.

Tortoise: Arrow Keys to move, ENTER to fire, SHIFT to block.