Arrows or WASD to move,
Click on weapons on ground to pick em up
Weapons auto do damage when hitting and enemy
Plasma weapons do more damage to rock enemies (1 weapon, 2 enemies in game)
Ice slows enemies down (1 weapon, all enemies)
Rock weapons do less damage to rock enemies but will do more to poison in the future (3 weapons, 2 enemies take 4 times less damage)