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Discover a vast and mysterious underwater world hidden beneath a remote cave on the surface. With procedurally generated cave systems and up to 9,999 unique underwater environments to explore, no two dives are ever the same.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
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Discover a vast and mysterious underwater world hidden beneath a remote cave on the surface.
With procedurally generated cave systems and up to 9,999 unique underwater environments to explore, no two dives are ever the same.
Equip yourself, dive deep, and uncover the secrets of the abyss.
Procedurally Generated Underwater Caves
Every cave is unique. Explore thousands of underwater tunnels filled with danger, beauty, and mystery.
Crystals & Upgrades
Collect rare crystals during your dives and sell them to upgrade your gear — increase your oxygen capacity, battery life, flashlight range, and thermal suit resistance.
Survival Exploration Mechanics
Manage your resources carefully. Your oxygen, battery, and heat are limited — and the deeper you go, the colder and more dangerous it becomes.
In-Depth Dive Logging
Each dive is tracked: time, depth, distance traveled, water temperature, and whether you completed the cave or not.
Global Leaderboards
Submit your dive data to global leaderboards and compete with players around the world.
Include your country flag and see how your exploration skills rank in:
Specific cave leaderboards
Country-based rankings
Top 10 explorers worldwide
Hall of Fame
Only the most dedicated players who unlock all achievements will be permanently honored in the Hall of Fame, alongside their name and flag.
Explore, upgrade, survive.
Master the darkness, conquer the cold, and leave your mark in the deepest corners of the world.
