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Cover of Codename: Ocean Keeper

Codename: Ocean Keeper

by RetroStyle Games

Explore dungeons, fight hordes of monsters, and survive on a huge map. This is Ocean Keeper — an action roguelike with tower defense elements.

Nintendo Switch · Released Jan 17, 2025

+ I own it

Age rating content: Fantasy Violence, Mild Blood.

Languages: Japanese, English, Portuguese, Spanish, French, German, Italian, Russian, Korean, Chinese

Screenshots

About this game

ABOUT 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. ABYSSAL ASSAULTS Dozens of weapons, upgrades, and monsters are waiting for you. The world here is dangerous, and keeps in unknown threats. You should be very careful and survive as long as possible. Spider Mech, your faithful companion, is ready to help you with that. Mix different weapons to make your special setup, practice your combat and defense skills. DIVERSE BIOMES 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. EACH time you explore the underwater worlds, the layout changes, making every journey unique. You never play the same scenario twice. FARM RESOURCES 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. Try to keep a balance between Mech and Digger upgrades as your survival depends on the speed of resource mining. And who knows, maybe you'll get lucky and find unique treasures and artifacts. Some of them will help you to instantly improve your equipment and become as strong as possible. MASSIVE BOSS FIGHTS 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? However, don’t be scared and bravely go through all the challenges — your courage will be awarded. REPLAYABILITY 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. Even if after death the game starts from zero, you still can use all your resources and upgrade your equipment and weapon in the Hub. It will help you to dive again and become much stronger than before. Are you ready to test how far you can get? Will you reach the final boss in the game?

Prices by country

Cheapest today: 🇳🇿 New Zealand, $11.27. That is 17% below the typical price across eShops today. Never cheaper since we started tracking it in October 2026.

CountryPrice
New Zealand $11.27
Japan $12.21
Poland $12.29
Hong Kong $12.49
Australia $12.63
Chile $12.85
United States $12.99
South Africa $13.13
South Korea $13.50
Austria $13.51
Belgium $13.51
Bulgaria $13.51
Cyprus $13.51
Germany $13.51
Estonia $13.51
Spain $13.51
Finland $13.51
France $13.51
Greece $13.51
Croatia $13.51
Hungary $13.51
Ireland $13.51
Italy $13.51
Lithuania $13.51
Luxembourg $13.51
Latvia $13.51
Malta $13.51
Netherlands $13.51
Portugal $13.51
Romania $13.51
Slovenia $13.51
Slovakia $13.51
Canada $13.56
Sweden $13.56
Denmark $13.57
Peru $13.69
Mexico $13.71
Czechia $13.86
Brazil $14.09
Norway $14.30
United Kingdom $14.57
Switzerland $14.72
Colombia $16.80

Click a country to see how to buy there; new to buying abroad? Here is how it works. Prices are as each eShop lists them: VAT included where the eShop includes it, US prices before sales tax, and for Canada we add the 5% federal tax Nintendo leaves out · fetched up to 2026-11-05 13:05 UTC.

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