Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Blocking the stairway to heaven.	Kill an angel.
Bossing the boss.	Kill chapter 1 boss without receiving any damage.
Curious cat.	Open all the chests.
Indestructible.	Finish the game on ironman mode.
Jungle Juggler.	Break a coconut in the air.
MVP.	Get a perfect score in the basket minigame.
Not a lever person.	Complete the labyrinth puzzle without using any levers.
Retro Fan.	Do the Konami Code.
Straight shooter.	Get a perfect score in the shooting minigame.
Thanks for playing.	Complete the entire game.
The bridge on the river of Melting Acid.	Save the bridge in chapter 2.
The secret whisperer.	Find all the secrets.
The survivor.	Survive one minute in the bullet hell minigame.
Too proud to like lasers.	Complete the golem puzzle without dying from the golem laser.