Tertiary Sudoku

Tertiary Sudoku

Classic number puzzles

0 ratings
Free

Rating summary

Details

  • Released
  • Updated
  • June 17, 2026
  • July 3, 2026

Features

Tertiary Sudoku screenshot #1 for iPhone
Tertiary Sudoku screenshot #2 for iPhone
Tertiary Sudoku screenshot #3 for iPhone
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About

Tertiary Sudoku is a clean, offline number-puzzle game for players aged 14 and up. Every puzzle is generated on your device with a guaranteed unique solution, so you never run out and never see the same grid twice. Choose from four difficulty levels - Easy, Medium, Hard, and Expert - and solve at your own pace. - Four difficulty levels, from gentle warm-ups to ruthless Expert grids - Smart hints whenever you ask - reveal the right number for any cell - Pencil notes (candidates) with optional auto-cleanup - Conflict and same-number highlighting you can toggle on or off - Optional 3-strike challenge mode for mistake-free runs - A timer, scoring, and full game history kept entirely on your iPhone - Stats tab with your best times and scores per difficulty - Feedback and About tabs built right in - 100% offline and private - nothing ever leaves your device Track your best times and scores per difficulty, resume any game you leave, and train your brain one grid at a time.
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What's New in Tertiary Sudoku

1.1

July 3, 2026

Now for ages 14 and up! • Simplified one-tap age confirmation — no ID, no verification • New bottom navigation: Home, Stats, Feedback, and About • Stats tab — your scores, best times, and full game history, always one tap away (stored only on your device) • Feedback tab — send us your ideas via WhatsApp • Easier play: clearer selected-cell highlight, a bigger number pad, and gentle haptic feedback • The Continue card now shows the difficulty and time of your saved game

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