Background and Worldview: Humans have discovered an endlessly extending “Deepsea Trench” at the deepest part of the ocean, its bottom containing “Dew of Life,” capable of curing all diseases. You pilot the single-person deep-sea submersible “Abyss,” diving into the endless darkness. But the trench is inhabited by prehistoric glowing behemoths and mutated creatures, who see outsiders as intruders. You must fight against the pressure of the abyss while collecting dew samples to uncover the mystery of the civilization ruins hidden at the bottom of the trench.

Core Gameplay: Vertical downward parkour (similar to falling). The submarine automatically dives, and players must swipe left and right to avoid tentacles and jellyfish swarms on the side walls, swipe upward to launch torpedoes to clear obstacles, and swipe downward to activate searchlights (illuminating the area ahead for 5 seconds, but attracting large creatures). Collecting “Pressure Compensators” reduces depth-related damage to the hull.

Features: “Bioluminescent Network”—When certain bioluminescent organisms glow, they briefly illuminate a large area around them, which you can use as a temporary light source. A unique “sonar imagery” visual style; most scenes appear as green radar maps, only displaying true colors when illuminated by searchlights. Higher depth records unlock more research documents. Supports motion-sensing gyroscope-assisted aiming.

Level Introduction: 1000 levels in total. Depth is divided into layers of 100 meters: 0-100m (1-100): Teaching area. 101-300m (101-300): Glowing jellyfish swarms appear; avoid them. 301-500m (301-500): Enter a permanently dark zone; rely on searchlights. 501-750m (501-750): Giant sea monster chase; torpedo attacks are required. 751-1000m (751-1000): Inside the underwater ruins; ancient mechanisms need to be solved to pass.