Contact
Found a bug, have an idea, or just want to say hello? We'd love to hear from you.
The best way to reach us is by email at dqapps26@gmail.com. We read every message and try to reply within a few days.
Support the game
Cosmic Sudoku is free for everyone. If you'd like to support its development and hosting, you can buy me a coffee — and you're welcome to leave a note there too.
About
Cosmic Sudoku is made by DQ Apps. Learn more about the game.