Collect all the food pickups.
Complete the game.
Collect 15 of each food type to unlock `BOSHTEROIDS` arcade game.
Collect 10 of each food type to unlock `GHOST PYRAMID` arcade game.
Get to the planet surface with your new tank.
Collect some steam laser ammo.
Find a hidden area.
Collect 5 of each food type to unlock `AQUA KITTY` arcade game.
Evade the giant worms and make it to the exit.
Collect some coal rockets.
Collect some machine gun ammo.
Collect the Pistol.
Sit through the game load to unlock `CHEESE DREAMS` arcade game.
