Sudoku Galaxy
A living constellation of puzzles. Every game you play becomes a star in the galaxy — connected by shared techniques, clustered by difficulty, and growing with each solve. Explore thousands of unique puzzles, see how they relate, and find your next challenge.
A universe of puzzles, visualized.
Every puzzle is a data point. The Galaxy maps them by technique, difficulty, and player activity — revealing patterns in the puzzle space.
Galaxy Visualization
An interactive force-directed graph where each node is a puzzle. Clusters form around shared solving techniques. Zoom, pan, and click to explore.
Cross-platform Sharing
Share any puzzle with an 8-character code like M1A2B3C4. Works across the web app, iOS, and
terminal UI — same engine, same puzzle.
Technique Explorer
Filter the galaxy by solving technique: from simple singles to advanced chains and forcing patterns. See which techniques cluster together.
Available on iOS
The same Rust engine compiled to native code. Fast puzzles, human-style hints, Game Center leaderboards, and iCloud sync.
How it works
The Rust engine rates each puzzle using 46 catalogued solving techniques and an SE-inspired engine score. The Galaxy API collects anonymous play results and builds the constellation in real time.
Play a puzzle
Start a game at any difficulty tier. The WASM engine generates a unique puzzle with a guaranteed single solution.
Results flow in
When you finish, anonymous play data (time, difficulty, technique profile) is sent to the Galaxy API. No accounts needed.
Galaxy grows
New puzzles appear as stars, connected to similar puzzles. Live WebSocket updates pulse new nodes into the visualization.