DIVE DEEP Descend into procedurally populated waters teeming with fish. 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? KILL EVERYTHING Face 120+ fish varieties across 5 ocean zones — from darting minnows in the Shallows to armored leviathans in the Hydrothermal Vents. Build massive kill combos for bonus PSI. Encounter 25 milestone bosses guarding the depths. BUILD YOUR POWER Spend PSI energy across a sprawling upgrade tree with 155 nodes and 8 branches. Boost damage, speed, oxygen capacity, combo multipliers, and more. Unlock passive abilities that transform your submarine into a deep-sea killing machine. ASCEND AND TRANSCEND Three prestige layers reshape your progression: Ascension resets your PSI tree but earns Pearls for a second 129-node upgrade tree Transcendence resets everything but earns Void Cores for permanent endgame power The Void Tree offers 30 nodes across 5 branches — including the OMEGA ending COLLECT AND FORGE 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.