About This Game

Sudoku with an artsy twist.  Full-colour hand-crafted Sudoku-variant puzzles.  

Probably the prettiest puzzles in all of the world.

Slow-Thermo is an easily understood Sudoku variant that pushes digits into the grid.  

A fun twist on regular Sudoku, great for those who love to hunt and whittle down pencil marks, Slow-Thermo is quick to pick-up, easily mastered, and highly addictive for the right kind of puzzle lover.  

This app includes a Sudoku conflict checker.

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

We here at Toffee Co. used generative-AI tools during development to create artwork and write all the code. No content is generated while the game runs. All shipped assets were reviewed/edited by us; no real-person likenesses or third-party copyrighted IP are used.