Naval Fortress Defense

夜の海を守り抜く艦隊ストラテジー

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Completely free: no ads, no in-app purchases. Command 20 units, from destroyers and submarines to fighters and fortress guns, and sink the enemy fortress. Defend your base. Sink the enemy fortress. A side-scrolling naval strategy game set on a moonlit sea. Tap a card to launch a ship. Read the matchups across three battlefields — surface, underwater and air — and send in the right fleet. ■ 20 UNITS From assault RHIBs to battleships, attack submarines, ballistic missile subs (SSBN), attack helicopters, bombers and drones. Clear stages to unlock new units. ■ MATCHUPS MATTER Autocannon, AP shells, torpedoes, missiles — damage depends on weapon type versus armor. Hunt hidden submarines with sonar. Meet incoming bombers with anti-air fire. ■ BUILD YOUR FORTRESS Mount CIWS, a fortress gun, SAM sites, an EMP tower and a supply dock, and upgrade them to Lv3. Use fortress commands — boost income, expand your vault, repair and fortify — to balance attack and defense. ■ CONTENT - 10 stages plus an endless mode - Earn up to 3 stars on every stage - A codex with every unit's stats and a full damage table ■ PLAY WITH PEACE OF MIND - Completely free: no ads, no in-app p

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

- Stages grow from 10 to 100! Each cleared stage branches into new missions - 8 new mission types (submarine packs, air raids, blitz, sieges and more), with an Elite Fleet at the tip of every branch - Your existing progress carries over

Version 1.1.1

The developer, Kei Suzumura, 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 Collected

    The developer does not collect any data from this app.

    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
    Kei Suzumura
    Size
    97.2 MB
    Category
    Strategy
    Compatibility
    Requires iOS 15.0 or later.
    • iPhone
      Requires iOS 15.0 or later.
    • iPod touch
      Requires iOS 15.0 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    9+
    Copyright
    © 2026 Kei
  • Privacy Policy

    • More by Kei Suzumura

    You Might Also Like