Unlock the following Bosses by performing the corresponding tasks:
Biker Ben - Defeat Biker Ben on Training Level 6. Cavegirl Carmen - Defeat Cavegirl Carmen on Nature Park Mission 8. Rabid Rabbit - Defeat Rabid Rabbit on Playground Mission 8. Snorkel Jane - Defeat Snorkel Jane on Beach Mission 8. Trooper Tim - Defeat Trooper Tim on Plaza Mission 8.