Sudoku 4ever Free APK

Description of Sudoku 4ever Free 2.2.0:

Unlimited number of puzzles, eight difficulty levels, world-class hint engine and game statistics - simply the best Sudoku app on the market.

Game Play

Eight different Sudoku variants: Classic & Jigsaw puzzles (aka Squiggly), Asterisk-, Centerdot-, Color-, Hyper-, Percent- & X-Sudokus
Eight difficulty levels: very easy, easy, moderate, advanced, hard, very hard, fiendish, nightmare
Six input methods (digit first, cell first, mixed, Andoku cell first, Andoku digit first, popup)
Pencil marks with auto set or auto erase
Persistent undo/redo
Auto save
Bookmarks
Highlighting of selected digits and pencil marks
Highlighting of completed digits
Highlighting of incorrect digits
Coloring mode (cells and pencil marks) to support coloring solving techniques
Very advanced hint functionality
Analysis functionality to rate the difficulty of a Sudoku puzzle and to get a detailed list of required solving techniques
Game statistics: fastest, average, slowest times and total time played for each difficulty level
Extremely configurable
The integrated solver solves any Sudoku in milliseconds

Supports

Portrait and landscape mode
All screen types and sizes
Touch screen, keyboard and trackball
Installation on external storage (e.g. sdcard)
Android 1.6-4.x

Hint Functionality

Full House
Hidden Single
Hidden Subset (Pair, Triple + Quad)
Naked Single
Naked Subset (Pair, Triple + Quad)
Locked Candidates (Pointing + Claiming)
X-Wing (Regular, Finned + Sashimi)
Swordfish (Regular, Finned + Sashimi)
Jellyfish (Regular, Finned + Sashimi)
XY-, XYZ-, WXYZ-, VWXYZ-, UVWXYZ-, TUVWXYZ-, STUVWXYZ-, RSTUVWXYZ-Wing
W-Wing
Almost Locked Candidates (Pair, Triple + Quad)
Avoidable Rectangle (type 1 + 2)
Hidden Unique Rectangle
Uniqueness Test (type 1, 2, 3, 4 + 5)
BUG+1, BUG+2, BUG+3 and BUG+4
Aligned Pair + Triple Exclusion
Sue de Coq
ALS-XZ, ALS-XY-Wing
Remote Pairs
Bidirectional Cycles
Forcing X-Chains
Forcing XY-Chains
Nishio Forcing Chains
Double Forcing Chains
Contradiction Forcing Chains
Region Forcing Chains
Cell Forcing Chains

If you like the game, don't forget to rate it!

The free version is supported by unobtrusive ads