Waking up in a seemingly empty laboratory, the player is made to complete various physics-based puzzle challenges through numerous test chambers in order to test out the new Aperture Science Handheld Portal Device, without an explanation as to how, why or by whom. Summary: IGDB
Mind Score
Fair to the playerAge · PEGI 12
Respect
95
Nourish
56
Stimulation
gentle
Has an endingStop anytime
What it exercises
Problem solving
- Steam tag “Puzzle” (4271 votes)
- IGDB keyword “environmental puzzles”
Creativity
- Steam store: Includes level editor
Story and reading
- Steam tag “Story Rich” (931 votes)
- 31 of 100 reviews mention the story
High confidence · 27 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.