Guess Whale
Guess the hidden prompt behind a daily AI image
Interactive challenges that invite people to discover solutions through clues, rules, and careful observation.
Guess the hidden prompt behind a daily AI image
Discover and share small interactive games and experiments
Cut shapes to match a target percentage
Build a space civilization through merging, research, and strategic choices
Practice padel positioning and shot decisions through interactive court puzzles.
Build and optimize alchemical machines in an open-ended puzzle game
Play chess online and study with puzzles, analysis and video lessons
Online chess games, puzzles, coaching and organized competition
Program office workers to solve increasingly complex logic puzzles
Play chess, solve puzzles and review your next move.
Draw a subway network and keep a growing city moving.
Solve puzzles by changing the rules
Build structures with living Goo Balls
Early learning activities for young children
Play, study, and analyze chess in your browser.