A first‑person puzzle game in a minimalist world of impossible geometry where rules change and perception is the key to progress.
- Developer: Alexander Bruce
- Release: 2013 • Platforms: PC (Windows, macOS, Linux)
- Genre: First‑person puzzle
- Notable mechanics: Non‑Euclidean spaces, perspective‑based solutions, block gun with progressive abilities, environmental signage as hints
- Reception: Acclaimed for mind‑bending design and minimalist aesthetic; a landmark in experimental puzzle games