Open all chests.
Find all the secrets.
Complete the golem puzzle without dying from the golem laser.
Do the Konami Code.
Complete the labyrinth puzzle without using any levers.
Save the bridge in chapter 2.
Complete the entire game.
Survive one minute in the bullet hell minigame.
Get a perfect score in the basket minigame.
Get a perfect score in the shooting minigame.
Break a coconut in the air.
Kill chapter 1 boss without receiving any damage.
Kill an angel.
Finish the game on ironman mode.