Simply Rotastic - Do the Rotastic trick.
Champion's debut - Complete five levels.
The champion is revealed - Unlock access to World 3.
Diamond necklace - Get 5 diamond helmets.
Ninja - Kill 3 enemies in 4 seconds in a multiplayer game.
Butcher - Kill 10 enemies in a row without losing a life in a multiplayer game.
Socializer - Play 20 multiplayer games.
The champion is confirmed - Unlock access to World 5.
The champion is at his pinnacle - Unlock access to World 7.
Greedy Worker - Collect 5,000 jewels.
Mini copper - Get all bronze helmets.
This is No life!!! - Get all gold helmets.