About this app
• 160,000 Sudoku Puzzles, with 4 difficulty levels! • 100% FREE! DOWNLOAD NOW AND START HAVING FUN! :-) • No timers at all! Just relax and have fun! Boy Howdy's Expert Sudoku has four tricky types of Sudokus to try: • X Sudoku is the same as regular 9x9 sudoku, but both diagonals must contain 1 to 9 once only. • Hyper Sudoku is 9x9 but with an additional set of four 3x3 blocks that must contain 1 to 9 once only. • Jigsaw Sudoku is 9x9 but instead of 3x3 smaller blocks, the blocks are shaped like jigsaw pieces. • Samurai Sudoku (iPad only, because it's HUGE!) is a super combo of five regular 9x9 sudoku puzzles, overlapping on one corner of one of the 3x3 blocks. Note that the normal row/column constraints are only within each 9x9 square. • There are 40,000 Sudokus for each of the four types! (10,000 Easy, 10,000 Medium, 10,000 Hard, and 10,000 Evil Sudokus) • Beautiful, easy to read numbers! • Full UNDO support! • Fast and intuitive dual-keypad input system - just tap a cell and easily mark your answer or pencil marks! • Pencil marks are auto-erased as you enter answers! (Can be turned off if you wish) • Horizontal and Vertical guidelines make it easy to look at your current row and column (Can be turned off if you wish) • Auto-highlight other cells with the same number as the currently selected cell • Auto-highlight cells that have a visible conflict • Auto-highlight pencil marks that have a visible conflict (All of these highlights can be disabled if you wish) • Hint function if you get stuck! • Check your work function, to spot any problems you've got if you're unsure! • Your progress is automatically saved, all the time, so go ahead and take that call or jump out to any other apps - you can come back and pick up playing right where you left off! • Sounds can be disabled if you want a quiet game • You can even listen to your own music while you play Thanks for playing! Come see us at http://boyhowdytechnology.com
Latest release
What’s New
• Updated for the latest iOS Thanks for playing! Search for "Boy Howdy Technology" to see all our free games!
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 14, 2026 · 3:23 AM Free
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