While possessing a creature, get eaten by another creature
While possessing a creature, eat another creature
While possessing a poisoned creature, get eaten by another creature
Electrocute another creature with an Electric Eel
Head-butt another creature with the Blockhead
Smash a machine
Deal damage to the diver while possessing a creature
Lead a shoal of at least 30 fish
Possess 5 unique creature types in a single playthrough
Possess 8 unique creature types in a single playthrough
Possess every species of creature in a single playthrough
Feed the birds
Shake off 10 leeches at once
Kill 10 leeches in less than 5 seconds
Defeat the Gulper Eel
Defeat the Kraken Tree
Defeat the Spider Crab
Defeat the Gloom Flower
Awaken the Great Machine
Find and possess all of the other divers in a single playthrough
Without ever dying, find yourself and awaken the machine