Mathdoku + Calcudoku

Opdoku = Calcudoku + Mathdoku

Challenging, Simple and Funny

Calcudoku - Griddle Games

Engaging math puzzles!

Calcudoku Puzzle

Mathdoku - No ads!

Calcudoku · Math Logic Puzzles

Fun and Addictive

Kakuro Challenge - Cross Sum

Logic Puzzle

Futoshiki Puzzle

Inequality Brain Logic Solver

All Sudoku - 5 kinds of sudoku

Unlimited puzzle competition

Numblr | Number Guessing Game

Guess the number I picked up!

Puzzle Revolution - All in One

Puzzle

KenKen Classic

Puzzle