The Treehouse Man achievements

Complete a blue river without taking damage

Complete a red river without taking damage

Complete a moonlit river without taking damage

Get all achievements

Unlock all weapons

Find all health upgrades

Unlock all companions

Defeat the arsonist of the barren river

Defeat the menace of the fertile river

Defeat the arachnid manipulator

Defeat the corrupter of the cosmic river

Find all messages in a bottle