15x15 Medium Sudoku – Horizontal (4 On Page)

Think you’re ready for an even bigger test? Give our 4 On Page Sudoku Medium 15x15 Horizontal puzzles a try. This format lays out four large 15x15 grids side by side, providing ample space for logical exploration while maintaining a Medium difficulty. Solving these bigger boards might require more patience than smaller versions, but they remain accessible enough to keep frustration at bay and fun in focus.

Because all puzzles on our platform are free, you can experiment freely with different sizes and difficulty levels. Just click the “edit settings” button if you’d like to try a 16x16 or revert to something more classic like 9x9. Once you land on a setup that looks appealing, and download the PDF to get your printer-friendly puzzle set. Tackle these expansive grids at your own pace or share them with like-minded puzzle fans for a group challenge that goes beyond the usual Sudoku routine.