
SUDOKU TECHNIQUES & STRATEGIES
UNLIMITED OFFLINE DEMO PUZZLES



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