2DOKU™ (Free) app for iPhone and iPad

If you like Sudoku, you will love 2DOKU!

2DOKU takes Sudoku to a new level by adding elementary arithmetic to challenge your brain.

The first two puzzles will help you understand how it works, and youll soon be on your way to becoming a 2DOKU champion!

2DOKU (Free) includes over 100 unique puzzles:
- 10 3x3 puzzles (Easy to Medium)
- 70 4x4 puzzles (Medium to Hard)
- 70 5x5 puzzles (Medium to Hard)
- 2 6x6 puzzles (Hard to Difficult)

Features:
- Tap the puzzle number to jump to any puzzle
- Your progress is automatically saved
- Use pencil marks to help you solve the puzzles
- Use undo and redo if you get stuck
- Clear solved puzzles to play them again
- Use the timer to compete with friends and family
- Quick tap buttons
- Sound effects
- Instructions

Try 2DOKU today - its Free!