Take 20 photos
Put in 20 journal entries.
Find all rare phenomena at first visit on a planet.
Put a photo from one hand to the other and back.
Finish the tutorial.
Build a complete rollercoaster ride.
Break all locks and open a planet.
Fix the crab's sieve and let him use it.
Put the fox tail on fire.
Put a little light into the darkness.
Fix a watering can.
Find the ultimate clue to the last planet.
Visit all the planets in the game.
Formulate the ultimate question.
Play 3 minutes straight with the transmitter in your hand.