thank you for buying the game
If you buy 3 lightning bolts you get Zeus
If you buy 3 trees you get TreeHead
If you buy guns 6 times you will get GunMaster
If you finish the BlackBox map in under 10 minutes, you get the TimeWitch Character.
If you buy 300 Heal. You get stone head
If you kill the red boss. you get ninja
:( You earn this achievement once you die.