Set in a fictional world, this puzzle-platforming game follows a young creature, Nymn, who is separated from the family pack after the sun sets. Unable to get back to the safety of the underground home, Nymn must find a way to survive the night terrors and get to morning. Tanglewood's world is a dangerous one after dark, and Nymn must use skills of evasion, special abilities, traps and trickery to defeat predators.