Learn

Practical guides to the games we build. Each one starts from zero — the single rule the game actually rests on, the techniques that genuinely carry you, and the habits that quietly hold beginners back. Every guide ends with the game itself, free in your browser with nothing to install.

How to Play Sudoku: A Beginner's Guide That Actually Clicks

The one rule behind the whole game, two techniques that carry you through most puzzles, when pencil marks are worth the effort, and the five habits that slow beginners down — plus a two-week plan to reach medium difficulty.

7 min read

How to Solve a Rubik's Cube — and What Each Algorithm Actually Does

Notation in five minutes, then seven steps and eight algorithms — each one with its job explained in plain English, the five mistakes that slow beginners down, and when to move on to CFOP.

9 min read

Play now