Overclock
One clock covers the whole board. Every correct digit buys time back, and finishing a 3×3 box refills it. Three lives, and each wrong digit costs one.
Mobile Game
Glitchoku
Sudoku that gets your heart pounding. The same 9×9 grid and the same pure logic, with a clock that fights back. Every board is generated on your device, has exactly one solution, and can be solved by reasoning alone. Fully offline, with no ads and no sign-up.
Three ways to play
Pick a difficulty, then pick your pressure.
Blitz
30 seconds per move, and something is chasing you. Mistakes and timeouts let it close in; five correct moves in a row pull you clear.
Classic Sudoku
No limit and no score. Pencil marks, 200 moves of undo, and your own best time to beat. Put a board down for a week and pick it up again.
Key features
Built to be the sudoku game we want on our own phones.
- Four difficulty tiers set by the hardest technique a board needs, not by counting clues
- Expert opens in each mode after three finished Hard boards in that mode
- How to Play teaches every technique on a real board, from naked singles to forcing chains
- A report after every run: the cells you filled, your closest call, and a move-by-move replay
- Personal bests and Mission Records for every mode and tier
- Dark and light themes, high-contrast palettes and reduce-motion support
- Phones and tablets, in portrait or landscape
- 100% offline, no ads, no account, and no data collected
Product snapshots
Preview key screens before you download the game.
