NineGrid: Logic Sudoku Puzzle
Android app by Northern Owl. Puzzle · Northern Owl
- Store rating
- Unknown
- Store rating count
- Unknown
- Download price
- Free to download
- In-app purchases
- Not listed in captured metadata
- Version
- 1.0.0
- Listing last refreshed
- 2026-09-14
View the original store listing
Store description excerpt
NineGrid is a fresh take on Sudoku that changes how you think — and how you play. Instead of typing into a number pad, every empty cell shows all 9 candidates right inside it. Tap a candidate to eliminate it or confirm it as the answer. The puzzle is the interface. HOW IT WORKS → Every empty cell starts with all 9 candidates visible → Remove mode: tap a candidate to cross it out → Select mode: tap a candidate to lock it in as the answer → Make a mistake and you lose a heart — think before you tap It's classic Sudoku logic, but the interaction feels completely new. You're not filling in answers — you're narrowing down possibilities, just like a real solver would. FEATURES • 4 difficulty levels — Easy, Medium, Hard, and Expert • Daily Challenge — a new puzzle every day, same for everyone worldwide • Hint system — auto-solve the easiest deducible cell when you're stuck • Hearts system — limited lives keep every move meaningful • Full stats — track solve rate, streaks, and best times per difficulty • Dark mode — easy on the eyes day or night • 8 languages — English, Spanish, French, German, Portuguese, Japanese, Korean, Chinese
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