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Drawn towards a mysterious relic, you are an explorer who awakens in an ancient cavern of creatures, resources and trinkets. Trapped deep underground will your survival skills be up to the task?
Mine relics and resources to build your base, craft new equipment, survive, and power up the Core. Defeat giant monsters, discover hidden secrets, farm crops, cook new recipes and explore a procedurally generated underground world in a mining sandbox adventure for 1-8 players.

Explore a vast underground cave of endless resources. Mine resources, discover hidden crystals, fossils & trinkets and survive a procedurally generated underground world.

Expand your base from humble beginnings to a vast homestead. Build workbenches and generators to craft new equipment and technology, create your base, and power up your Core.

Customise your explorer and craft new items, armour and equipment to venture further into the cave. Craft a pickaxe to mine walls and resources, build bridges to cross underground lakes, and place torches and bonfires to light up the darkness.

Plant seeds and nurture crops to grow food, or combine ingredients in the cooking pot to discover tasty new recipes with unexpected buffs.

Explore living biomes and fight cavernous creatures in a simulated underground ecosystem. Defeat giant beasts to claim their crystals and continue the adventure.

Survive alone or play online with up to 7 other players. Visit their caverns or invite them into yours, working together to mine resources, fight, farm, craft and survive.

Find massive bosses in an infinite, procedurally generated world with endless gameplay and resources.
Core Keeper
PugstormDeveloper
Fireshine GamesPublisher
2022-03-08Release
🎹🖱️ Keyboard + Mouse
🎮 Full Controller Support
Very Positive (21536 reviews)
Public Linux Depots:
  • Core Keeper Linux [287.35 M]
Community Update - July 2025

Hi there Explorers! Gosh, it\'s been a hot minute since we\'ve had a community update. We were doing these weekly at one point, but we think a monthly cadence will be a little more enjoyable for those of you who wish to keep up with all the lovely things going on across our community spaces without these updates dominating your Steam news feeds! \n\nAs many of you know by now, the development team takes a little time off during the summer to rest and recuperate. That doesn\'t mean that there\'s not plenty of Core Keeper activity going on across our Discord , X , Instagram and BlueSky accounts, though! The community team is still hard at it, bringing you the Core Keeper content you know and love. So, let\'s take a look at what we\'ve been sharing and what the community has been up to!\n\n

5-Set Fishing Bonus

\nHere\'s a top tip for all you fishing enthusiasts! Equip the Diving Helm, Kelp Mantle, Scuba Fins, Neptune Necklace, and Goldfish Ring to take your fishing sessions to the next level. Not only will this armour set increase your max health and armour, it\'ll also offer a bonus to fishing, improve your chance of hooking a fish, increase the odds of a rare fish bite, add 24% of your fishing skill as range damage, AND improve the odds of bait not being consumed when catching a fish. Phew, that\'s a lot of fishing fun!\n\nGame Description Image\n\n

Abiotic Office

\nHave you stumbled upon any scenes from our Abiotic Factor crossover yet? We\'ll give you a hint! These spawn in the Forgotten Ruins. Perhaps there\'s some temporal weakness here that allows dimensions to crossover more easily? We can only speculate...\n\nGame Description Image\n\n

What Your Fave Core Keeper Background Says About You!

\nEver wondered what vibes you\'re giving off based on the Core Keeper background you pick? No?! Well, start wondering and find out! We\'re sharing just one of a full image set below. View the set in its entirety here on BlueSky and let us know which you got in the comments for this Steam post!\n\nGame Description Image\n\n

Minecraft Player\'s First Impressions of Core Keeper

\nYouTuber Prowl8413 is a full-time Minecraft player trying their hand at Core Keeper for the very first time. We think it\'s pretty safe to say that, if you like building, crafting, survival, and the option to play in creative mode, you\'ll love Core Keeper.\n\nhttps://www.youtube.com/watch?v=1UlWr0WT2qY\n\n

Here Comes the Tickle Monster!

\nWe cannot get over how ferocious Azeos looks in this amazing Core Keeper fan art from Discord user, !\n\nGame Description Image\n\n

Dakon Bakes Jingle Jam Cookies!

\nWe\'re not the only ones who look at some of the delicious dishes in Core Keeper and think \"wow, I\'d sure love to try that in real life\", and now you can! At least with our Jingle Jam cookies Check out this all-new video from Dakon\'s Bakehouse and find out how you can bring these tasty treats to life at home!\n\nhttps://www.youtube.com/watch?v=--osf3uPy4w\n\nWe\'ve got such an awesome community, and we really love seeing your fan art, streams, guides, bases, and more! If you\'re creating something to do with Core Keeper don\'t forget to share it over on our official Discord channel or tag us in a post on X and BlueSky !\n

[ 2025-07-31 16:00:33 CET ] [Original Post]

Minimum Setup

  • OS: Linux (Ubuntu 20.04)
  • Processor: Intel Core i5-8400 2.8 GHz
  • Graphics: Nvidia GTX950

Recommended Setup

  • OS: Linux (Ubuntu 20.04)
  • Processor: Intel Core i5-8400 2.8 GHz
  • Graphics: Nvidia GTX 1650
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