Do I need to download or sign up?

Train logical thinking: elimination, probability reasoning and path planning are direct workouts for your brain.
Deepen focus: getting lost in a puzzle is natural practice for sustained attention.
Zero-pressure relaxation: no timers anywhere — that flash of insight when it finally clicks is pure satisfaction.
Fun for every age: rules take a minute to learn, and difficulty scales up endlessly.

No. Every game is pure HTML5 that plays right in your browser. High scores are saved locally on your own device.

Which game is best for beginners?

Start with Word Search or easy-mode Sudoku — you'll learn either in about a minute. Then graduate to Minesweeper or Nonogram for deeper deduction.

Yes, all games are tuned for touchscreens with fluid tap and drag controls — perfect for a coffee-break solve.

Sudoku has a hint button, Minesweeper lets you flag suspicious cells, and the sliding puzzle restarts instantly — tinkering is half the fun.

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動動腦：邏輯推理與觀察力的經典關卡。

倒水歸類彩色液體，每瓶同色即過關，關卡必有解。