Every day a new Sudoku in 4 difficulty levels. Also with an archive of several months. Solve according to the sudoku rules: a number (from 1-9) can only be used once in every row, column or 3x3 box.

Sudoku game: place all animals on the grid. Every animal can be placed only once in every row, column or block.

Daily new Calcudoku Puzzles. Like Sudoku: fill the grid where every number can only occur once per row/column. But the cages (thick bordered box) must produce the given outcome with the given operator.

Every day a new Kakuro puzzle in 4 difficulty levels. Also with an archive of several months. Solve according to the kakuro rules: the numbers (1-9) entered need to add up to the corresponding clue.

Drop down tiles and place according to the Sudoku rules. A number may only appear once in every row, column or 3x3 area.

Solve the Flower Sudoku puzzles. Every row, column or box contains every flower only once.

Everyday new Wordoku levels. A wordoku is a sudoku with letters. Every letter only appears once per row, column or 3x3 box.

Play Daily Killer Sudoku levels. Fill the grid with the numbers 1 to 9, such that each row, column and box contains each number only once. Additionally, a Killer Sudoku grid is divided into cages, each cage has its own background color. The values of the cells in a cage must sum up to the total for that cage, shown in the cage's top left corner. The same number cannot appear in a cage more than once.

Daily Kaodoku puzzles in 4 difficulty degrees. Solve this Sudoku like game. Instead of numbers in the Sudoku game, this game contains smileys. Every smiley has three possible mouths and three possible shapes creating nine different combinations. Every unique smilly can only appear once in every row, column and 3x3 box like in Sudoku.

Daily Sudoku game with an additional rule for the diagonals. Every day new sudoku games with the following rules: each row, column, 3x3 box and diagonal contains the numbers 1 to 9 only once.

Play Killer Sudoku or Sumdoku. Fill the grid with the numbers 1 to 9, such that each row, column and box contains each number only once. Additionally, a Killer Sudoku grid is divided into cages, each cage has its own background color. The values of the cells in a cage must sum up to the total for that cage, shown in the cage's top left corner. The same number cannot appear in a cage more than once.

Everyday 4 new Sudoku puzzles and an archive of a month. Solve the puzzles using the Sudoku rules. Every number of 1-9 can only occur once in every row, column and 9x9 box.