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Pilot a submarine into the deep. Kill fish, harvest PSI energy, and defeat 25 bosses across 5 ocean zones. Ascend, transcend, and unlock the Void. A deep-sea idle dungeon crawler with 3 prestige layers, 36 forgeable artifacts, procedural audio, and an ending worth reaching.
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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Descend into waters teeming with life. Your submarine auto-attacks nearby targets while you manage oxygen, collect PSI energy, and hunt for treasure. Each dive pushes deeper — how far can you go before the pressure crushes you?
Face dozens of fish species across 5 ocean zones — from darting minnows in the Shallows to armored leviathans in the Hydrothermal Vents. Build massive kill combos for bonus PSI. Hunt 25 milestone bosses guarding the depths.
Spend PSI energy across a sprawling upgrade grid. Boost damage, speed, oxygen capacity, combo multipliers, and more. Unlock passive abilities that transform your submarine into a deep-sea killing machine.
Three prestige layers reshape your progression:
Ascension resets your PSI grid but earns Pearls for a second upgrade grid
Transcendence resets everything but earns Void Cores for permanent endgame power
The Void Tree offers 30 nodes across 5 branches — including the path to the OMEGA ending
Discover 36 artifacts with unique effects. Forge them to higher levels using salvage from Deep Dive mode. Complete the bestiary documenting every creature you've encountered.
Unlock 20 submarine skins and 16 cursor designs. Each sub has a unique look rendered in pixel art style.
5 ocean zones with distinct atmospheres and enemy types
25 milestone bosses with unique mechanics
3 prestige layers — Ascend, Transcend, Void
Hundreds of upgrades across PSI, Pearl, Void, Drift, and Zone grids
36 collectible artifacts with forge levels
Deep Dive endless mode with mid-dive events
20 submarine skins + 16 cursors
100 Steam achievements
Procedural audio — every sound is synthesized in real time
Full settings control — auto-dive, screen shake, damage numbers, and more
