9x9 Hard Sudoku – Horizontal (4 On Page)

If you enjoy the classic Sudoku challenge but want multiple puzzles all in one go, try our 4 On Page Sudoku Hard 9x9 Horizontal layout. This format lines up four separate 9x9 grids horizontally, letting you tackle each puzzle at your own pace. The Hard level means every placement of numbers requires careful planning, and finishing a sheet feels all the more rewarding when you see how perfectly each puzzle comes together.

Our website is fully free to use, so print as many copies as you like—ideal for personal play, Sudoku clubs, or puzzle gatherings. To tailor the experience, hit the “edit settings” button before finalizing your download, where you can shift to a different difficulty or pick another grid size if you crave a fresh twist. Once the setup meets your preferences, simply download the neatly formatted PDF and get started. Whether you’re unwinding after a long day or sharing the fun with others, this 4-in-1 Hard set won’t disappoint.