Prism Sudoku is a clean, distraction-free Sudoku game with no ads, no subscriptions, and no time limits.

🌟 FREE FOREVER

Classic 9×9 Sudoku includes:

• Unlimited puzzles
• 4 difficulty levels: Easy, Medium, Hard, and Expert
• Dark, light, and neon themes
• Auto-save progress
• Detailed statistics and best-time tracking
• No ads, ever – no banner ads, no video ads
• No subscriptions or paywalls

🚀 EXPAND YOUR COLLECTION (ONE-TIME PURCHASE)

Unlock premium puzzle packs with a single lifetime purchase.
Variants Pack

Six popular Sudoku variants, each with a unique logic twist:

Arrow Sudoku — digits along an arrow must sum to the circled cell
Thermo Sudoku — digits increase from the bulb along the thermometer
Sandwich Sudoku — clues show the sum of digits between 1 and 9
Kropki Sudoku — dots indicate cells that double or differ by 1
Chess Sudoku — knight and king move restrictions add a strategic twist
Odd/Even Sudoku — marked cells must contain odd or even digits

Large Boards Pack

16×16 Sudoku with 4×4 boxes and digits 1–16 — for when 9×9 isn't enough.
Samurai Pack

Overlapping Sudoku grids with 2, 3, 4, or 5 interconnected puzzles.
Full Bundle

Every premium pack at a discounted price.
🎯 BUILT FOR SUDOKU FANS

Works fully offline. No account required. Buy once, play forever.