GridNova

GridNova is a web-based Sudoku game that provides a daily puzzle for everyone to solve the same grid, along with a leaderboard for comparing results. The creator of GridNova - Daily Sudoku shared that they used Claude to help develop the game and designed it to be playable on mobile devices without needing to download an app.

A daily grid you can start as a guest

Upon entering the game, you can immediately select to play as a Guest. The board displays a 9×9 Sudoku grid along with a timer and a heart counter for tracking mistakes. At the bottom, there are number pads, a delete button, a note feature, and hints. This setup is ideal for gradually eliminating options in rows, columns, and 3×3 boxes.

The home page features a Practice section for selecting difficulty levels, while Play Mode includes random and Time Attack modes. Those who wish to practice by choosing their own problems thus have alternatives beyond the daily problems.

Quests and Collectibles

The developer stated that quests and themes are available for collection, and the game page verification shows that daily and weekly quests require login. The card collection system mentioned in the post is still a concept for which the developer is seeking community feedback.

GridNova is suitable for those who want to return to playing one Sudoku puzzle per day or practice timing in other modes. It can be played via web on both computers and mobile devices.

Creators and Origins

GridNova - Daily Sudoku · Game website · Source post · Screenshot v1.12.2 taken on October 9, 2026