SUDOKU STRATEGIES & TECHNIQUES 4+

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