Chain circles together according to original length-based rules.
You have been invited to Hotel Letztes Jahr, a strange manor full of lateral puzzles and a dark past.
Find creative uses for random tools to descend into the heart of an asteroid.
Push boxes within boxes within boxes within boxes within...
Make wide turns to snake this train all around the island, hitting every stop along the way.
Ascend a tower, deciphering the languages of its inhabitants.
Uncover the hidden language of the LOK through letter-based logic puzzles.
Chomp through blocks of wood to create precisely shaped models.
A genre-defining adventure across enigmatic worlds.
Use clues in the illustrated scene to fill in the blanks of this deduction puzzle.
Get a free thinky game to play and discuss, plus the latest thinky news and reviews, directly to your inbox every 2 weeks!