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.
Save the bridge in chapter 2.
Complete the golem puzzle without dying from the golem laser.
Complete the labyrinth puzzle without using any levers.
Kill chapter 1 boss without receiving any damage.
Do the Konami Code.
Kill an angel.
Finish the game on ironman mode.
Open all chests.
Find all the secrets.