Schein

Schein is an award-winning, puzzle platformer that tells the story of a father who enters a mystical swamp in desperate search of his son. As he becomes enveloped in darkness and begins to lose hope, a wisp appears, offering him guidance and her magical power: a light that reveals hidden worlds.

Use your wits and light to conquer mind-bending puzzles and defeat deadly beasts. Can you save your son in what’s possibly the trickiest platformer you’ve played?

https://store.steampowered.com/app/321920/Schein/

Source: Steam