78%Strong matchDiluvion: Resubmerged
62%1k62% positive reviews, Mixed across 1k reviews·Underwater · Steampunk
—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.
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TideWane
SteamAbout TideWane
TIDEWANE IS NOW AVAILABLE — 33% OFF LAUNCH WEEK
TideWane has launched. Dive into 5 ocean zones, defeat 25 bosses, and chase the OMEGA ending. Grab it at 33% off during launch week. The deep won't wait forever.
Thank you for diving with us.
— goneIdle
About the Game
DIVE DEEP
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?
KILL EVERYTHING
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.
BUILD YOUR POWER
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.
ASCEND AND TRANSCEND
Three prestige layers reshape your progression:
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Ascension resets your PSI grid but earns Pearls for a second upgrade grid
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Transcendence resets everything but earns Void Cores for permanent endgame power
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The Void Tree offers 30 nodes across 5 branches — including the path to 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.
CUSTOMIZE YOUR SUB
Unlock 20 submarine skins and 16 cursor designs. Each sub has a unique look rendered in pixel art style.
FEATURES
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5 ocean zones with distinct atmospheres and enemy types
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25 milestone bosses with unique mechanics
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3 prestige layers — Ascend, Transcend, Void
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Hundreds of upgrades across PSI, Pearl, Void, Drift, and Zone grids
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36 collectible artifacts with forge levels
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Deep Dive endless mode with mid-dive events
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20 submarine skins + 16 cursors
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100 Steam achievements
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Procedural audio — every sound is synthesized in real time
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Full settings control — auto-dive, screen shake, damage numbers, and more
Steam data © 2026 Valve Corporation. Trademarks are property of their respective owners.
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