Online Sudoku Variations and Logical Puzzles

One can play many Sudoku Variations and other Logical Puzzles online here. Instructions to solve each puzzle type are provided in the puzzle interface. These Sudoku Variations or Logical Puzzles include Calcudoku, Chain Sudoku, Multi Sudoku, Mathdoku, Futoshiki, Classic Sudoku, Killer Sudoku, X Sudoku, or Diagonal Sudoku, Windoku or Hyper-Sudoku, Irregular Sudoku, Inequality or Greater Than Sudoku, Multi-player Sudoku battle and many more puzzles.

Chain Sudoku

Classic Sudoku

Conceptis Puzzles

Diagonal Sudoku

Futoshiki Puzzle

Greater Than Sudoku

Jigsaw Sudoku

Jumbo Sudoku-Expert Level

Jumbo Sudoku-Easy Level

Killer Sudoku

Sudoku Battle

Conceptis Sudoku

Sudoku Express

Windoku

Calcudoku or Mathdoku