Abyss Echo

Deep Sea Echolocation & Dive

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

[GAMEPLAY CONCEPT & ATMOSPHERE] In the pitch-black void of the hadal trenches, light ceases to exist. Your eyes cannot guide you—only sound waves can reveal the abyss. "Abyss Echo: Sonar" is an innovative, atmospheric deep-sea exploration game powered by acoustic echolocation simulation. As the pilot of the "Echo-IV" scientific research submersible, you must navigate treacherous underwater chasms, volcanic hydrothermal vents, and uncharted trenches using phased-array sonar pulses to map bathymetric contours and salvage lost oceanographic data capsules. [KEY FEATURES & INNOVATIVE MECHANICS] ◆ Acoustic Echolocation Engine Total darkness surrounds your submersible. Emit standard spherical waves, focused directional ping beams, or deploy resonance decoys. Sound waves reflect off rock faces in real-time, casting glowing phosphorescent contours that decay over time. ◆ Realistic Ocean Hydrodynamics Experience realistic submersible handling with fluid water drag, buoyancy inertia, and thermal convection currents. Maneuver through scalding black smokers, excite resonant quartz crystals for lasting illumination, and evade apex abyssal leviathans. ◆ 5 Bathymetric Sectors & 60 Handcrafted Levels - Sector 1: Sunlit Continental Shelf (0m - 1,800m) - Sector 2: Midnight Abyssal Strait (1,800m - 3,600m) - Sector 3: Thermal Vent Chasm (3,600m - 5,400m) - Sector 4: Hadal Dark Trench (5,400m - 7,200m) - Sector 5: The Uncharted Void (7,200m - 11,000m) ◆ Multiple Distinct Game Modes - [Hadal Expedition]: Achieve 90%+ bathymetric map coverage, salvage blackboxes, and dock at the recovery mooring buoy. - [Daily Salvage Mission]: Procedurally generated deep dives updated every 24 hours. - [Zen Sanctuary]: Stress-free exploration with unlimited energy, peaceful bioluminescence, and ambient ocean ASMR. - [Ghost Dive Protocol]: Extreme survival mode with restricted sonar ping quotas. ◆ Submersible Engineering & Scientific Marine Codex - Upgrade battery capacities, titanium hull integrity, pulse speed, glow retention, and MHD thrusters. - Unlock 12 scientific Marine Codex entries detailing exotic deep-sea organisms and bathymetric anomalies. - Customize with 6 unique hull skins (Nautilus Gilded, Abyssal Titan, Biolum Matrix) and 5 distinct sonar beam palettes.

Ratings & Reviews

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

The developer, Spencer Keith Golding, 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

  • Data Not Linked to You

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

    • Location

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
Spencer Keith Golding
Size
98.1 MB
Category
Casual
Compatibility
Requires iOS 15.6 or later.
  • iPhone
    Requires iOS 15.6 or later.
  • iPod touch
    Requires iOS 15.6 or later.
  • Mac
    Requires macOS 12.5 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
English
Age Rating
4+
Copyright
© spencerk2026
  • Developer Website
  • Privacy Policy

    • More by Spencer Keith Golding