Developer: toonminator
Puzzle Type: Classic, Custom time attack option
Grids: 9x9
Difficulty: Very Easy, Easy, Normal, Hard, Warrior, Samurai
free sudoku puzzles
Sudoku Hero
Developer: flashgamesfan.com
Puzzle Type: Letters instead of numbers
Grids: 9x9
Difficulty: Easy, Hard
Developer: mahjonggames.com
Puzzle Type: Classic, Random Puzzle Generator, Mahjong circle tiles instead of numbers
Grids: 9x9
Difficulty: Easy, Medium, Hard
Developer: INFLASHSTUDIOS.COM
Puzzle Type: Classic, Random Puzzle Generator
Grids: 9x9
Difficulty: Medium, Unlimited Hints, Solver
Developer: Serhan
Puzzle Type: Classic, Arithmetics
Grids: 9x9
Difficulty: Hard, 24 unique puzzles
Developer: Sold Out Activist
Puzzle Type: Classic, Random Puzzle
Grids:9x9
Difficulty: Normal
Developer: Redsh
Puzzle Type: 3D, Cube, Level Up
Grids: 27 small cubes
Difficulty: Hard, Timed
Developer: Zontek
Puzzle Type: Classic
Grids: 9x9
Difficulty: Normal, Random puzzle each game
Developer: Gamezguru
Puzzle Type: Classic, 3 puzzles only
Grids: 9x9
Difficulty: Easy, Medium, Hard
Developer: Xasou
Puzzle Type: Classic
Grids: 9x9
Difficulty: Easy, Normal, Hard
Developer: Well Games
Puzzle Type: Classic
Grids: 4x4, 6x6, 8x8, 9x9, 12x12, 16x16
Difficulty: Easy, Medium, Hard, Number hints
Developer: Nikoli
Puzzle Type: Classic
Grids: 9x9
Difficulty: Easy, Medium, Hard, 5 puzzles total
Puzzle Type: Classic
Grids: 9x9
Difficulty: Normal, One puzzle only
Developer: Playzi
Puzzle Type: Classic, Puzzle Generator
Grids: 9x9
Difficulty: Normal, 5 Hints
Puzzle Type: Classic
Grids: 9x9
Difficulty: Normal, One puzzle only
Puzzle Type: Classic
Grids: Grids change as you complete each level
Difficulty: Ascending, Timed
Developer: Dimitar Apostolovski
Puzzle Type: Classic, Solver
Grids: 9x9
Difficulty: Hard
Developer: Hurgle Studios
Puzzle Type: Classic, Puzzle change after each move
Grids: 9x9
Difficulty: Very Hard
Developer: Funbrain
Puzzle Type: Classic
Grids: 9x9
Difficulty: Easy, Hard
Developer: DKM Software
Puzzle Type: Classic, Daily
Grids: 9x9
Difficulty: Easy, Normal, Hard, Tough
Puzzle Types: Classic, Alphabet
Grids: 4x4, 6x6, 8x8, 9x9, 12x12, 16x16
Difficulty: Easy, Normal, Hard, Editor
Developer: FOG
Puzzle Type: Classic
Grids: 9x9
Difficulty: Easy, Normal, Hard
Puzzle Type: Classic
Grids: 9x9
Difficulty: Easy, Normal, Hard, Custom
Developer: Conceptis Puzzles
Puzzle Type: Chain.
Grids: 5x5, 6x6
Difficulty: Three levels of difficulty to choose from
Developer: Conceptis Puzzles
Puzzle Types: Clasic, Diagonal, Irregular, Odd/Even, Chain, Multy
Grids: 7x7, 8x8, 9x9, 12x12
Difficulty: Three levels of difficulty to choose from
Developer: Conceptis Puzzles
Puzzle Types: Clasic, Diagonal, Irregular, Odd/Even, Chain, Multy
Grids: 5x5, 6x6, 9x9, 12x12
Difficulty: Three levels of difficulty to choose from