A philosophical first‑person puzzle game where you solve logic and spatial challenges while exploring ancient ruins and confronting questions of consciousness and free will.
- Developer: Croteam
- Release: 2014 • Platforms: PC (later PS4, Xbox One, Switch)
- Genre: First‑person puzzle
- Notable mechanics: Sigil/laser routing puzzles, environmental secrets and terminals, non‑linear worlds with optional stars, branching endings
- Reception: Praised for smart puzzle design and thoughtful narrative; a modern classic of the puzzle genre