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Explore dungeons, fight hordes of monsters and survive on a huge map. This is Ocean Keeper - an action roguelike with tower defense elements. Mine resources in caves, customize your Mech Spider, upgrade different weapons and face dangerous bosses that won't leave you a chance!
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.
Steam Train Fest starts Jul 20, 2026
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Other games from the same series.
Right now the cheapest offer for Ocean Keeper: Dome Survival is PLN 45.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Ocean Keeper: Dome Survival is PLN 13.79 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Ocean Keeper: Dome Survival drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
Welcome to Ocean Keeper, a mining roguelike shooter with a top-down view. Play as a Miner whose spaceship has crashed on a planet, filled with underwater monsters. Find resources and artifacts for purchasing valuable upgrades.
Use the time between each attack to power up your diver, mech, weapon or explore a new dungeon. Build automatic turrets, use drones to collect loot and improve your skills to increase your chances of survival. If you've ever wondered what would happen if you mixed Dome Keeper, Wall World and Vampire Survivors together, here's the answer!
Dozens of weapons, upgrades, and monsters are waiting for you. And all this in the subnautica style, along with sea monsters who are hunting you. The world here is dangerous,
and keeps in unknown threats.
The underwater world of Ocean Keeper consists of many biomes. You will have to travel through the locations and find the remains of a lost civilization. Discover mysterious locations, from abandoned sci-fi laboratories to mines with artifacts.
Drill caves in search of different resources to upgrade your equipment, weapons and Mech Spider. It's worth saying that the local fauna didn't like the fact that you want to mine their sources! So don't forget to exit the dungeons, and switch to a dynamic combat mode.
Ocean Keeper is ready to surprise you by massive battles with unique bosses! From a giant crab to the flying mouse, each battle will be a true challenge. We won’t reveal all the cards — there are many more. The other question is, will you have the strength to defeat them?
Forget about monotony - each new game session will open new secrets of the underwater world, and battles with sea monsters will become harder. You can use various meta upgrades and unique types of Mechs to bravely fight with every wave of monsters.
