Sudoku a Day

Sudoku a Day, made by Ocho, is a Sudoku brand focused on making a fresh daily puzzle easy to enjoy on the web, in an iPhone app, or on paper. Visitors can play the day’s board in their browser without installing the app, while the app offers a fuller daily experience with streaks, profiles, replays, and ratings. Puzzles are available at five difficulty levels: Easy, Medium, Hard, Expert, and Master.

For players who enjoy friendly competition, Sudoku a Day features leaderboards with public ratings, completion totals, fastest solves, and puzzle replays. Its website also provides guidance on how to play, strategies, and explanations of variants including Killer, Thermo, Diagonal, Samurai, Mini, Arrow, and Jigsaw Sudoku.

Print options include daily sheets and weekly puzzle packs, with answers available for selected packs. Users can choose A4 or US Letter paper, and downloads are free without requiring an email address. With a calm, uncluttered approach, Sudoku a Day supports a simple daily solving ritual while offering additional ways to play, learn, compare results, and print puzzles.