Choose your challenge
Easy, Medium, or Hard. Every new battle starts with a fresh, uniquely solvable Sudoku.
Back to the workPuzzle power / Kaiju impact
SUDOKAIJUSolve. Strike.Save the city.
Classic Sudoku. Giant-monster energy. Complete rows, columns, and blocks to power Shinka’s attacks against Goromoth.
Make every number count
Finish a row, column, or 3×3 block to land an attack. Complete the grid to unleash Sudoku Nova.
Just you and the puzzle
No accounts, advertising, analytics, or tracking. Play offline, at your own pace.
A closer look
Inside the experience.
Questions, ideas, or feedback?