Aurora Slant: Diagonal Logic

Nikoli Puzzle Brain Trainer

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

Fill every cell with a diagonal line using pure logic. Connect corners, satisfy numbered hints, and solve 900 handcrafted Slant puzzles plus a new daily challenge every day. HOW TO PLAY • Fill each cell with a forward slash / or backslash \ • Lines connect at corners to form paths • Numbered hints show how many line ends touch that corner • No closed loops allowed anywhere in the grid WHY PUZZLE FANS STAY • 900 handcrafted puzzles across Easy, Medium, and Hard • Smooth difficulty curve with chapter-based progression • Fresh daily challenge with streak tracking and milestones • Game Center leaderboards and achievements • Smart hints, undo, redo, and restart anytime • Home Screen widget, dark mode, and multiple themes • Full offline play A FAIR PREMIUM MODEL • Start free with opening puzzles • Unlock the full journey with a single purchase • No subscriptions, no ads Perfect for fans of Sudoku, Nonograms, Picross, Hashi, Nurikabe, Akari, and other Nikoli-style logic puzzles.

Ratings & Reviews

  • 4.0
    out of 5
    1 Ratings

Thanks for the reports. This update brings bug fixes, performance optimizations, and accessibility improvements, including better VoiceOver support.

Version 1.0.6

The developer, DAN URBANEK, 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 Not Linked to You

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

    • Purchases
    • Identifiers
    • Usage Data
    • Diagnostics

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

The developer indicated that this app supports the following accessibility features. Learn More

  • Supported Features

    • VoiceOver

    • Dark Interface

    • Differentiate Without Color Alone

    • Sufficient Contrast

    • Reduced Motion

Information

Seller
  • DAN URBANEK
Size
  • 21.7 MB
Category
  • Puzzle
Compatibility
Requires iOS 16.0 or later.
  • iPhone
    Requires iOS 16.0 or later.
  • iPad
    Requires iPadOS 16.0 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 7 more
  • English, Czech, French, German, Japanese, Simplified Chinese, Slovak, Spanish
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Dan Urbanek
  • Privacy Policy

    • Supports

    • Game Center

      Discover new games and play with friends. This game also features leaderboards and achievements.

    • Family Sharing

      Some in-app purchases and subscriptions may be shareable with your family group when Family Sharing is enabled. Learn More

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