Star Core Duel

Line Up Four. Capture Cores

Only for Watch

$0.99

Apple Watch

Two-round duels, mirrored openings, two ways to win, and offline AI—built for quick strategy on Apple Watch. Connect starlight. Capture the core. Star Core Duel is a 6×6 strategy board game designed for Apple Watch. You play as O against an offline AI opponent. Win by lining up four pieces horizontally, vertically, or diagonally—or by bracketing and capturing two pairs of opposing pieces. Fair two-round duels Each duel has two rounds. Round 2 mirrors the same balanced opening and swaps who moves first. The total score across both rounds decides the winner. Four AI levels Choose Easy, Medium, or Hard. Win a complete duel at all three levels to unlock the hidden Extreme challenge. Each level uses a different balance of capture tactics, blocking, pressure, and deeper search. Daily line training Solve one classic four-in-a-row position each day. Every puzzle is solver-verified, and hints follow the AI's actual defense. Made for your wrist Tap any empty cell to move—no cursor and no confirmation step. The interface supports VoiceOver, Reduce Motion, Reduce Transparency, and Increased Contrast. Private and offline No account, ads, analytics, tracking, or network connection. Games, settings, training progress, and stats stay on your Apple Watch. Features: • 6×6 board with line-four and capture victories • Balanced mirrored openings and two-round scoring • Four offline AI difficulty levels • 90 rotating daily training puzzles • Automatic save and resume • Duel, first-move, second-move, line, and core win stats • Native Apple Watch controls and accessibility Requires Apple Watch with watchOS 11 or later.Connect starlight. Capture the core. Star Core Duel is a 6×6 strategy board game designed for Apple Watch. You play as O against an offline AI opponent. Win by lining up four pieces horizontally, vertically, or diagonally—or by bracketing and capturing two pairs of opposing pieces. Fair two-round duels Each duel has two rounds. Round 2 mirrors the same balanced opening and swaps who moves first. The total score across both rounds decides the winner. Four AI levels Choose Easy, Medium, or Hard. Win a complete duel at all three levels to unlock the hidden Extreme challenge. Each level uses a different balance of capture tactics, blocking, pressure, and deeper search. Daily line training Solve one classic four-in-a-row position each day. Every puzzle is solver-verified, and hints follow the AI's actual defense. Made for your wrist Tap any empty cell to move—no cursor and no confirmation step. The interface supports VoiceOver, Reduce Motion, Reduce Transparency, and Increased Contrast. Private and offline No account, ads, analytics, tracking, or network connection. Games, settings, training progress, and stats stay on your Apple Watch. Features: • 6×6 board with line-four and capture victories • Balanced mirrored openings and two-round scoring • Four offline AI difficulty levels • 90 rotating daily training puzzles • Automatic save and resume • Duel, first-move, second-move, line, and core win stats • Native Apple Watch controls and accessibility Requires Apple Watch with watchOS 11 or later. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

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The developer, Guangzhou Tendo Technology Co., Ltd., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

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    Information

    Seller
    Guangzhou Tendo Technology Co., Ltd.
    Size
    4.7 MB
    Category
    Board
    Compatibility
    Requires iOS 18.0 or later.
    • iPhone
      Requires iOS 18.0 or later.
    • iPad
      Requires iPadOS 18.0 or later.
    • Apple Watch
      Requires watchOS 11.0 or later.
    Languages
    English and 2 more
    • English, Simplified Chinese, Traditional Chinese
    Age Rating
    4+
    Copyright
    © 2026 Hao Wen Long
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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