Extreme Difficult Sudoku 2500

Heat Your Brain!

Free · Designed for iPad

For those of you who aren't satisfied with regular sudoku, we've put together a seriously perplexing puzzle collection! There are five categories to choose from—Normal, Cross, Jigsaw, Cross Jigsaw and Inequality—each with 500 puzzles each, for a total of 2500 puzzles! It's totally free to play! If you solve every puzzle, you may be able to become a genius!?

  • 4.4
    out of 5
    99 Ratings

Bug fixed

The developer, Ohte, Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
    • Other Data
  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Location
    • Identifiers
    • Usage Data
    • Diagnostics
    • Other Data
  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

The developer has not yet indicated which accessibility features this app supports. Learn More

  • Seller
    • Ohte, Inc.
  • Size
    • 35 MB
  • Category
    • Puzzle
  • Compatibility
    Requires iOS 12.0 or later.
    • iPhone
      Requires iOS 12.0 or later.
    • iPad
      Requires iPadOS 12.0 or later.
    • iPod touch
      Requires iOS 12.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 2 more
    • English, Japanese, Simplified Chinese
  • Age Rating
    4+
  • Copyright
    • © 2017 Ohte, Inc.