See how you solved it
Step through your solve move by move instead of losing the story when the final number lands.
Android 2.1 · Su-Pu replay first
Watch a Sudoku path move by move, learn from every decision, and preserve your own solve as a Su-Pu. The latest champion replay is always one tap away from Today.
Version 2.1 is available on Google Play.
Actual in-app screenshot — Featured Su-Pu on Android
A Su-Pu is more than a finished grid. It preserves the path: every placement, revision, note, and turning point that made the solution yours.
Step through your solve move by move instead of losing the story when the final number lands.
Revisit key decisions, understand where your thinking changed, and carry that insight forward.
Build a local library of your Su-Pus and share the reasoning—not only the result.
Version 2.1 leads with the latest featured solve, then gives you the replay, puzzle, results, and tools to build your own record hall.

Replay the champion’s solving path move by move—then continue with Orbace Sudoku on your Android phone.
Open Today to watch the latest champion, try the same puzzle, or jump to the full results.
Keep the replays you create together in a searchable collection of your solving paths.
See the leaderboard, watch each available Su-Pu, and replay the finished event puzzle yourself.
Enter ranking games, follow your Ranking Points, and return after finalization to study the winner.
Continue with Scholar's Path, technique practice, Extreme Challenge, and strategy lessons.
Android launch gift
Download Orbace Sudoku 2.1, then redeem the code in Settings for access to replay, learning, and ranked competition.
Six months of full access from redemption. One redemption per player. Offer availability may be limited.
Three quick steps unlock your Android launch gift.
Install Orbace Sudoku from Google Play on your Android device.
In the app, open Settings and choose the promo-code redemption option.
Submit the code. If prompted, sign in so your access can be restored across devices.
Import it, play it, and keep the complete solve as a Su-Pu you can return to anytime.
Prefer your browser? Play and replay any Su-Pu instantly at orbacesudoku.com — no download required.