apprentissage continuInstall COCOON on your home screen
Curiosity in motion
L'Exploration
Let the unexpected guide you through a maze of games and discoveries.
The Goad
Socrates called himself the "gadfly" of Athens: the one who stings and awakens minds with questions. Here, no answers — ten powerful questions on your topic, from the most concrete to the most dizzying.
From curiosity to curiosity
The Rabbit Hole
Ask a question, or let yourself be guided. Every answer opens three new doors. How far will you go?
The art of being surprised
The Compass of the Unexpected
Pick an angle, let a question you'd never have thought of surface — then dig into it in The Thread.
The Compass is finding the north of the unexpected…
The Circle · live
Circle of Reflection
Five dialectical experiments to explore. Pick one to discover the concept, then open it in the Atelier.
The Two Paths
Two AIs with opposite temperaments clash live on your question.
Features
Think of something. I'll guess it.
A character, animal, object, place or concept — keep it in mind. I ask questions, you just answer.
True or Bluff
Three statements. Two true, one false. Can you unmask the bluff?
logic, differently
The Mind Game
Gamification in the service of logic: elegant grids that strengthen reasoning and deduction — no timer, no score, just the joy of the click.
Takuzu
Premium0s and 1s, never three in a row, as many of each per row and column.
Rikudo
PremiumLink consecutive numbers into one continuous path across the hexagons.
Nonogram
PremiumReveal a hidden picture by filling the right cells from the clues.
Hitori
PremiumShade cells so no number repeats in any row or column.
Light Up
PremiumLight every cell with bulbs, without any two dazzling each other.
Hashi (Bridges)
PremiumConnect the islands with bridges into one single connected network.
Masyu
PremiumDraw one flowing loop that respects the black and white pearls.