Sudoku 10'000 Free

Developer's DescriptionBy 1Gravity15'000 puzzles, eight difficulty levels, the world's best hint functionality and statistics.15'000 puzzles, eight difficulty levels, the world's best hint functionality and statistics. The only Sudoku app you'll ever need!----- Game Play -----Eight different Sudoku variants: Classic & Jigsaw puzzles (aka Squiggly), Asterisk-, Centerdot-, Color-, Hyper-, Percent- & X-SudokusEight difficulty levels: very easy, easy, moderate, advanced, hard, very hard, fiendish, nightmareSix input methods (digit first, cell first, mixed, Andoku cell first, Andoku digit first, popup)Pencil marks with auto set or auto erasePersistent undo/redoAuto saveBookmarksHighlighting of selected digits and pencil marksHighlighting of completed digitsHighlighting of incorrect digitsColoring mode (cells and pencil marks) to support coloring solving techniquesVery advanced hint functionalityAnalysis functionality to rate the difficulty of a Sudoku puzzle and to get a detailed list of required solving techniquesGame statistics: fastest, average, slowest times for each difficulty levelExtremely configurable----- Additional Features -----Sudoku Editor: create your own Sudoku puzzle from scratchSudoku Importer: import Sudoku puzzles in five different formats: *.sdk, *.sdm, *.adk, *.opensudoku, *.1gsudoku. Supports all *.adk formats including jigsaw/squiggly puzzles with extra regions.Sudoku Generator: generate new Sudoku puzzles in eight difficulty levelsSudoku Solver: solve any Sudoku in millisecondsSudoku Manager: create, delete, rename folders, create, copy, move, delete Sudokus, filter Sudokus according to their game status, difficulty and typeSynchronization of games and settings across multiple devices----- Supports -----Left-handed players (landscape)Portrait and landscape modeAll screen types and sizesTouch screen, keyboard and trackballInstallation on external storage (e.g. sdcard)Android 1.6-6.x + Android N----- Hint Functionality -----Full HouseHidden SingleHidden Subset (Pair, Triple + Quad)Naked SingleNaked 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-WingW-WingAlmost Locked Candidates (Pair, Triple + Quad)Avoidable Rectangle (type 1 + 2)Hidden Unique RectangleUniqueness Test (type 1, 2, 3, 4 + 5)BUG+1, BUG+2, BUG+3 and BUG+4Aligned Pair + Triple ExclusionSue de CoqALS-XZ, ALS-XY-WingRemote PairsBidirectional CyclesForcing X-ChainsForcing XY-ChainsNishio Forcing ChainsDouble Forcing ChainsContradiction Forcing ChainsRegion Forcing ChainsCell Forcing ChainsIf you like the game, don't forget to rate it!The free version is ad supported