Click the sun to earn sun to buy upgrades. Click on zombies until they die. Don't let the zombies stay up for too long or you will lose brains. If your brains reach 0, you die. Click on worlds to go to different places and buy new plants. Space to hide/show variables.
Credits: Plants vs. Zombies 2 @sammycaty v0.0.1 1-23-26: -added spikerock
