Game guides
How to play, how to get better, and where the games came from. Pick a game, read a guide, then try it out in your browser. Everything here is free, with no download and no signup.
Flappy Birdie guide
Minesweeper guides
Sudoku guides
- 🧭 How to play SudokuThe rules, the two first moves, and your first real technique.
- 🧠 Sudoku strategiesLocked candidates, naked and hidden pairs, the X-Wing and the XY-Wing.
- 🔬 Is Sudoku good for your brain?What the big studies found about puzzles, thinking and dementia risk.
- ▶️ Play SudokuFree in your browser, no download or signup.