The primary objective. You must collect a specific amount in each level to unlock the exit.
Boulder-like rocks that fall if space is cleared beneath them. They can be pushed horizontally but will crush Murphy if they land on him. Supaplex
Includes Snik Snaks (moving scissors) and Electrons (sparkling stars that turn into Infotrons when destroyed). Essential Tips for Beginners The primary objective
Can be collected and dropped strategically by the player. Supaplex