Take the obsidian skull to the end of a level
Find the journal notes in a level
Fully complete a level
Break a cracked rock with an explosive vase
Fall on water
Finish a level without any enemy dying
Own a new hat
Purchase 10 images from the art gallery
Take a photo of your surroundings
Take a selfie
Buy hats from indie games
Buy all the hats
Complete the bestiary
Complete all levels
Get all coins in any level
Finish any level in a single try
Finish any level under the time limit
Find both Eyemeralds in a level