Logic & Focus Games
Free logic and focus mini-games for kids. Practice concentration between study sessions.
Free logic and focus mini-games for kids—sudoku, chess, puzzles, and more. Great between study sessions.
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Board Games
Play against the computer and sharpen opening play, tactics, and reading.
Gomoku
A 15×15 board where the first player to make five in a row wins. Play against the computer and practice opening shape plus attack/defense reading.
Xiangqi
Full Chinese chess rules and pieces, including generals, rooks, knights, and cannons. Play red against the computer to practice tactics and defense.
Chess
Standard chess with castling, en passant, and promotion. Play White against the computer and sharpen openings and tactics.
Shogi
9×9 shogi with captured-piece drops and promotion in enemy territory. Play first against the computer.
Animal Chess
Jungle animal chess: rats can swim, lions and tigers can leap rivers, and elephants and mice counter each other. Reach the opponent's den first to win.
Chinese Checkers
Two-player hexagonal checkers: move one step or chain jumps over pieces. Win by moving all of your pieces into the opponent's home triangle.
Junqi Dark Chess
A fun reveal-and-move version of Junqi: flip pieces, move, and capture. The commander is strongest, engineers defuse mines, bombs trade out, and capturing the flag wins.
Go 9×9
A compact 9×9 board for beginners. Practice captures, liberties, and ko against the computer; final scoring uses stones plus captures, with 5.5 komi for White.
Go 13×13
A 13×13 midgame practice board for sharpening shape and reading. Play against the computer; end scoring uses 6.5 komi for White.
Go 19×19
A full 19×19 board for complete games against the computer, including captures and ko. End scoring uses 7.5 komi for White.
Logic Puzzles
Logic, spatial reasoning, and observation challenges.
Sudoku
Classic Sudoku: fill each row, column, and box with 1-9 without repeats. Hints, undo, and timed challenge modes are available.
Klotski
Classic Klotski: move the large block and surrounding pieces to guide the main piece out through the bottom exit in as few moves as possible.
Sokoban
Push crates onto the target squares. You can only push, never pull, across multi-level path-planning challenges.
Minesweeper
Classic Minesweeper: use the numbers to deduce mines, left-click to reveal, right-click to flag, and clear all safe squares to win.
2048
Merge matching number tiles to reach 2048. Arrow keys and swipe controls are supported, and you can keep pushing for a higher score.
Maze
Find your way from the entrance to the exit. Practice path finding with DFS or A*, or let the AI solve it. Levels grow in size.
Jigsaw Puzzle
Swap scrambled picture tiles to restore the full image. Choose 3×3 or 4×4 to train spatial reasoning.
Spot the Difference
Compare two images and spot the differences. Multi-level play sharpens observation skills.
Casual Action
Classic mini-games with optional AI helpers.
Snake
Grow by eating food while avoiding walls and your own tail. Levels add obstacles and speed, and an AI BFS helper can chase food automatically.
Breakout
Bounce the ball with a paddle to break all the bricks. A classic Atari RL example with multiple levels and an optional AI catcher.
Flappy Bird
Tap to fly through pipes. A beginner-friendly RL example with tighter gaps, faster speeds, and an optional heuristic AI pilot.
Card Games
Trick-taking and Shengji-style card play.