Obtain all trophies
Die for the first time
Kill the first enemy
Find first collectable
Die 100 times
Complete 10 levels
Use the portal
Kill 100 enemies
Die 500 times
Complete 20 levels
Activate the trap
Complete 30 levels
Die 1000 times
Complete 40 levels
Find the second secret level
Kill the enemy in an unexpected way
Defeat the boss
Find the first secret level
Collect all donuts
Collect all collectables