7 rooms · Design a spaceship's sensors and train it by playing: your moves become training examples for a neural network that learns to dodge bombs and collect stars.

20 rooms · How does a machine learn to play with nobody teaching it the strategy? Boxes of beads that reward and punish moves discover perfect play on their own — from the stone game to Hexapawn to a teamwork game with no single solution.

16 rooms · Why does cooperation emerge among selfish players? From the one-shot prisoner's dilemma to a tournament of strategies, to the evolution that rewards the best scorers. Rebuild Axelrod's experiment and discover why winning every duel is not winning the tournament.

29 rooms · Build, train and watch artificial neurons: weights, sigmoid, gradient descent, backprop. No manual calculation — everything is automatic, you design.