A mind-bending recursive puzzle game about boxes within boxes within boxes within boxes. Learn to use infinity to your advantage as you explore a deep and elegant system. Summary: IGDB
Mind Score
Fair to the playerAge · PEGI 3
Respect
98
Nourish
56
Stimulation
gentle
Has an endingStop anytime
What it exercises
Problem solving
- Steam tag “Puzzle” (149 votes)
- IGDB keyword “logic puzzle”
Planning and strategy
- Steam tag “Strategy” (52 votes)
Perseverance: very hard, but fair
- Steam tag “Difficult” (72 votes)
- Hard but fair: 99% positive reviews
High confidence · 28 Sept 2026 · Rules-based estimate from the Steam store, player reviews and PEGI/ESRB descriptors. Not a substitute for the official rating or your own judgement. Tap a label to see the evidence.