Experience a totally new way to play Sudoku. Don't stop on walls and corners, let your mind play around. Roundoku is the really challenging Sudoku! Is this too hard for You?

iCloud Synchronization:

  • Don't loose your level progress on new devices!
  • Your levels are updated on all of Your devices!
  • Your level packs are updated on all of Your devices!

Scan Roundoku Game Codes (RGC) in Books and Magazines:

  • Find RGCs in Books and Magazines to play this levels in this app instantly!
  • Just scan them with this app!


  • Press hard on an input field to see all the connected fields!
  • Press even harder to hide the number pad for full visibility!

Shortcuts on home screen

  • Resume your last played level.
  • Play the Tutorial.

Main Features:

  • Totally new round Board
  • Play Roundoku Levels from Magazines and Books
  • Sensational new Input Method: Just drag to select a number, don't ever search for the input numbers
  • Clean and easy user interface
  • Beautiful animations
  • Distraction free mode
  • 5 levels of difficulties
  • Daily Levels
  • Game Center Leader Boards
  • Game Center Achievements
  • Share your levels with friends via Facebook, twitter, mail, iMessage
  • Round Notes System
  • Autosave
  • Auto clear notes
  • Auto error checking
  • Hold your device, how you want, for righties and lefties
  • Rotate board to get a new view of the level
  • Enlarge board on iPhones to see more

Special Features for this Gold Version!
Pay once and play forever!

Download Sudoku: Roundoku Gold on the App Store
Visit Developers Website