If you’re a fan of brain-teasing puzzle games, calcudoku is one of the best new games you can try. It combines the classic feel of Sudoku with a clever math twist that challenges both logic and number skills.

What is Calcudoku?

Calcudoku is a logic-based puzzle where you fill numbers into a grid. Just like Sudoku, each number can appear only once per row and column. But here’s the twist — each group of cells (called cages) has a target number and a math operation like +, –, ×, or ÷.

To solve the puzzle, the numbers in each cage must work together to match the target value using the given operation. You can repeat numbers within a cage, as long as they don’t repeat in the same row or column.

How to Play

• Choose a grid size (like 4x4, 6x6, or 8x8)

• Place numbers without repeating in rows or columns

• Use logic and math to solve each cage’s equation

• Subtraction and division can be done in any order within a cage

Each puzzle has only one correct solution, and it’s always solvable through logical thinking — no guessing needed.

Why Try Calcudoku?

• Great for kids and adults

• Trains your brain with both math and logic

• Easy to start, challenging to master

• A refreshing option in today’s growing list of New games