Gomoku: Zen Five in a Row

Relaxing Strategy Board Game

Only for iPhone

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

iPhone

A classic Gomoku (Five in a Row) app that anyone can quickly enjoy. It features a CPU opponent powered by a state-of-the-art AI engine, as well as online matches against players from around the world. ■ 3 Play Modes ・ Online Matches (Quick Match): Play real-time matches with players worldwide. No passwords or registration required – just jump right in! ・ CPU Match: 10 levels of difficulty. The AI replicates the natural pacing of a human opponent. ・ Two-Player Match: Enjoy a match with family and friends around a single device. Key Features: ■ Single Player (CPU Match) ・ 10 Difficulty Levels: Choose from beginner to advanced. ・ High-Precision Engine: Advanced levels implement the VCT (Vanishing Threat Exploration) algorithm. ・ Undo Function: Take back your moves. ■ Online Matches ・ Random Match: Match with players around the world in real-time. ・ Ranking System: Leaderboard displays based on the number of wins. ■ Friend Invitation Feature ・ Invitation URL: Easily invite specific opponents to a private match with a URL. ・ Browser Participation: Opponents can join from a web browser even without the app installed. ■ Local Matches ・ Two-Player Mode: Take turns operating a single device for a face-to-face match. ■ UI & Visuals ・ Design: Wood-grain board design for enhanced visibility. ・ Visual Effects: “Winning Line Stroke” effect – lines glow upon victory. ・ Tactile Feedback: Haptic feedback (vibration) when placing a stone.

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・Optimized the CPU's move rhythm for a more natural match experience.

Version 2.0.3

The developer, koji ozono, 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:

    • Identifiers

  • Data Linked to You

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

    • Identifiers
    • Usage 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

Accessibility

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

Information

Seller
  • koji ozono
Size
  • 23.1 MB
Category
  • Board
Compatibility
Requires iOS 17.6 or later.
  • iPhone
    Requires iOS 17.6 or later.
  • Mac
    Requires macOS 14.6 or later and a Mac with Apple M1 chip or later.
Languages
  • English and Japanese
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Koji Ozono
  • Developer Website
  • Privacy Policy
  • License Agreement

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