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