Die less than a second after the (re)loading of the level.
Jump more than 100 times in a single level.
Follow your friend even in death.
Wait 20s after the other player has started to move.
Taunt the same boar 5 times.
Defeat the boss of chapter 1 in normal mode.
Complete chapter 1 in multiplayer normal mode.
Defeat the boss of chapter 2 in normal mode.
Find all stars in chapter 1 in normal mode.
Complete a level without jumping.
Complete single player normal mode.
Complete multiplayer normal mode.