About this app
We love SUDOKU. But we never liked SUDOKU APPS. That's why we created our own. Key features are: - NO ADs - NO In-App-Purchases - NO Abo - Full off-line mode - NO collecting of any data - UNLIMITED SUDOKU PUZZLES - ALL puzzles created while you play - All puzzles uniquely solvable - NO guessing required - Levels CLUSTERED BY TECHNIQUES required to solve the puzzles - Levels sorted by difficulty of required techniques - 16 LEVELS WITH 25+ STRATEGIES - SINGLE, NAKED SUBSET, HIDDEN SUBSET, - LINEBOX, BOXLINE, Y-WING, UNIQUE RECTANGLE - XYZ-WING, X-WING, W-WING, WXYZ-WING - SUE DE COQ, REMOTE PAIR, BI-VALUE GRAVE - TURBOT, X-CHAIN, XY-CHAIN, COLORING - SWORDFISH, JELLYFISH, SQUIRMBAG, WHALE - 3D MEDUSA, ALTERNATING INTERFERENCE CHAIN - Upper levels are challenging, extreme, diabolic, almost unsolvable - UNLIMITED DEMO examples for each strategy - FULL TUTORIAL included for each strategy - DETAILED EXPLANATIONS of the HOWs and WHYs for each strategy - HELP function with ALL OPTIONS at each point - INFO material to ALL techniques - HIGH SPEED SOLVER included - INTUITIVE USER INTERFACE - Minimal distraction by sound and visuals - User selected coloring of cells and/or digits - Auto-highlighting of cells holding selected digit - Optional stopwatch function - Detailed game statistics - Restart at point of last exit - Replay function - Undo and Redo function
Latest release
What’s New
FULL VERSION WITH 25+ SOLVING STRATEGIES IN 16 LEVELS
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 16, 2026 · 7:56 PM Free