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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]
Merry Christmas from Pugstorm & Fireshine Games

We hope your 2025 has been full of joy, Explorers. We know ours has (in no small part, thanks to you!). As we approach the end of the year, things are winding down here at Pugstorm and Fireshine Games and we wanted to take a moment to wish you a merry Christmas, happy holidays, and a wonderful new year. \n\nWeve got plenty to look forward to in 2026, including our brand-new Void & Voltage update coming in January. Theres also plenty more Core Keeper fun on the horizon, but well have more to say about that in the new year. For now, it feels like a great time to sit back and reflect on some of the wonderful things from the year gone by.\n\nJanuary 2025: The Core Keeper Digital Soundtrack went on sale on Steam! Created by the talented Jonathan Geer, the Core Keeper OST features 42 enchanting compositions that give our mysterious underground world the ambience you know and love. We also released our Lunar New Year seasonal update, adding the Folding Screen, Lucky Cat, and Potted Tree with Red Envelops to the game \n\nMarch 2025: The month of Bags & Blasts! Our first major content update since our 1.0 launch, Bags & Blasts brought with it a whole host of inventory management features, a new explosives skill tree, new weapons, a new sub-biome, a brand-new boss, new cattle, a new pet, and MORE! Read the full patch notes here .\n\nGame Description Image\n\nApril 2025: We teamed up with the awesome folk over at Deep Field Games to bring you a Core Keeper x Abiotic Factor crossover ! This included a new custom scene filled to the brim with GATE branded items, equipment, and consumables, as well as the cybernetically augmented Electro-Pest. Oh, and a much more cuddly Electro-Pet! \n\nMay 2025: A minor update that addressed some MAJORLY requested features in the form of Pet Beds, cattle colour variations, improvements for the Warlock/Summoner build, and more. We love it when we can bring our communitys requests to life!\n\nAugust 2025: Dedicated servers received a cool new update , allowing PC gamers playing on different PC storefronts to get together in the same worlds. Thats right, it doesnt matter whether youre playing Core Keeper on Steam, Epic Games, GoG, or the Microsoft Store, you can now enjoy dedicated servers with your pals no matter what PC storefront youre using!\n\nSeptember 2025: Our very first Reddit AMA! We had over 507 comments from our wonderful community and we did our best to answer as many as possible! We spoke about the future of the game and updates (we plan to continue building on the games story with free updates!), our ideas for future updates (we teased a lot of Void & Voltage content), and there was a big discussion about whether a hotdog is a sandwich (we couldnt decide, but we know for sure that pizzas arent!). Check it out here .\n\nNovember 2025: This was the month we announced the release date for our next major content update: Void & Voltage! Were so excited for this one and you can find a brief overview of some of the new content on its way here it was hard not to reveal EVERYTHING in the date-announcement post! A new boss, new biome, new sub-biome, and a bunch of new automation features are really coolbut we have to admit, were just super stoked about the new flamethrower! \n\nGame Description Image\n\nDecember 2025: We wrapped this year up with a bang, raising over 30,000 for Make-A-Wish through the Core Keeper Survive-A-Thon charity relay. This was a 24hr livestream relay featuring talented creators from across the globe playing Core Keeper and raising money for a wonderful cause via the Jingle Jam! We just want to say a HUGE thank you to everybody who got involved, whether you were one of our streamers or viewers, whether you donated or amplified our message, every little interaction helped us raise an amazing amount for charity and we couldnt be happier.\n\nWere really grateful to have such a wonderful community supporting us as we work on developing the game and were looking towards 2026 with big smiles on our faces all because of you wonderful folks. For now, were going to be getting some much-needed rest and relaxation and we hope youll be doing the same.\n\nAll our love,\n\nThe teams here at Pugstorm & Fireshine Games \n\nP.S. Big shout out to Tito Bandito for the awesome Christmas base featured in this post\'s cover art!\n\nGame Description Image\n

[ 2025-12-25 12:00:07 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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