Unlock all the characters
Unlock a character
Unlock all the characters from other Nitrome games
Stomp your friend on the left hand side of the finishing platform
Stomp 100 walking enemies
Stomp your friend on the right hand side of the finishing platform
Get to Level 10
Get to Level 20
Complete all the levels
Get to Level 30
Collect 50% of coins in levels
Collect 80% of coins in levels
Score 10
Collect all the coins in levels
Score 25
Score 50
Score 100