find 25 secret rooms
grab that freaky balloon
Check out the babes
unlock the Rad Boy mode
Complete the game on the easiest mode
Use 25 computers
Use 10 vending machines
beat the game on the hardest setting
Unlock hard mode
Make friends with Incy Wincy
Make 100 kills
Pop the dino egg
Don the famous hat and beard
Use 25 vending machines
Ride the purple barrel like a boss
Use 50 vending machines
Hit 2500 in Scumbros mode and prove you are a real games master
Make 500 kills
you were the monster all along! Press the button to kill defenseless aliens
hit an enemy with a grenade attached to a moving platform