Collect 45 Garbage in Level 1
You've Got 9 Lives to Spare
Cleared the First Level
Turned on the Cheat Menu|Secret Options
You Cleared the Rainforest!
You Cleared the Sea Caverns!
You Cleared the Arctic Circle!
You Cleared Dr. Machino's Domain!
Completed Awesome Possum on 'Awesome' Difficulty
Reached 50,000 Points
Visited a Bonus Level in Dr. Machino's Domain