What's new in this version (1.51):

Version 1.51
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* Games could not be started under very specific circumstances (related to German translation)

Version 1.50
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* German Translation (except help)
* New settings to enable/disable more solving techniques (X-Forcing Chains, XY-Forcing Chains, Forcing Chains, Bidi

Description

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

(1) 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
* OpenFeint integration with global leaderboards for each difficulty level and achievements to earn Feint points
* Game statistics: fastest, average, slowest times and total time played for each difficulty level
* Extremely configurable
* The integrated solver solves any Sudoku in milliseconds

(2) Supports

* Left-handed players (landscape mode)
* Portrait and landscape mode
* All screen types and sizes
* Touch screen, keyboard and trackball
* Installation on external storage (e.g. sdcard)
* Android 1.6-4.1

(3) 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

(4) Permissions

* Network Communication / Full Internet Access: OpenFeint (global leaderboard, achievements)
* Network Communication / View Network State: OpenFeint
* Storage: OpenFeint offline mode

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