Four launch games · No account needed

A quiet place to think

Four original logic games, three difficulty levels, and no account required.

Four games · Three difficulties

Choose your puzzle

Choose a difficulty to start, then view the rules anytime inside the game.

Reveal a hidden picture from row and column clues.

Join matching endpoints and cover the board.

Place 1–9 once in every row, column, and box.

Balance 0s and 1s without triples or duplicate lines.

Pick up where you left offYour board, timer, and undo history stay in your browser.
Mouse, touch, or keyboardEvery game supports complete input on phones and desktops.
Fully bilingualRules, controls, and hints are available in English and Chinese.