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.
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.
Important Information About Upcoming Modding Changes (Steam Workshop!)
Greetings Explorers! We know you are all very excited for 1.2, and we can\'t wait for you to experience this major content update in January. For now, we have something else exciting to share: Steam Workshop and notable modding updates!\n\n(Note that these updates will first be introduced to the ambassador program before being publicly accessible as a beta. Mod creators can learn how to join the ambassador program in the \"Closed Beta for Ambassadors\" section below.)\n\n
Modding Changes
\nOur goal is to make mod creation more accessible for newcomers while also giving experienced creators more powerful tools for deep customization.\n\nHere\'s a short list of what will be possible with the tools released with 1.2:\n\n- \n
- Easily replace in-game textures and colors for player looks and armor.\n
- Reskin and recolor existing non-player sprites: including pets, cattle, workbenches, and most other assets. (Texture packs, anyone?)\n
Steam Workshop
\nWe are adding support for Steam Workshop! Initially, it will launch as a closed beta for ambassadors. With the release of version 1.2, the Workshop will be available to both mod creators and players as an opt-in beta.\n\nOur main goal is to improve the tools based on community feedback. Once we are confident it\'s ready, we will remove the beta and opt-in requirements in a future update.\n\nStarting with 1.2, the modding SDK will include Steam Workshop as a built-in upload option. We will also release a few example mods to showcase the new workflow. To access the Workshop once 1.2 is out, you will need to join a Steam Group. The link and details will be shared in the 1.2 release announcement. \n\nClosed Beta for Ambassadors
\nAs mentioned, the new modding features will first roll out as a closed beta for ambassadors.\n\nIf you are a mod creator and would like to sign up, follow the instructions below and mention that you are a mod creator, including links to your previous work. (Mods for other games are perfectly fine to include!)\n\nIf approved, you will receive detailed instructions on how to access everything.\n\nHow to Join Our Ambassador Program
\n\nCore Keeper ambassadors are creators, and we share builds and assets to enable them to create Core Keeper content like videos, livestreams, fan art, and even mods! We love seeing folks enjoy our game, and anything you put out into the world about Core Keeper puts a big smile on the developers faces.\n\nWhy Become an Ambassador?\nAs a Core Keeper ambassador, you\'ll receive early access to new updates and a special creator kit, which includes SFX, music, and exclusive assets. Additionally, you also have an informal line to our developers to share feedback and ask questions leading up to the update you\'ll be getting access to!\n\nCan Anyone be an Ambassador?\nOur Ambassador program is open to applications from all kinds of creators. While we wont be able to guarantee an invitation for everybody who applies, theres no strict criteria around what type of creators we\'re accepting, so long as you\'re passionate about Core Keeper and love what you do. Whether you\'re a content creator, mod creator, artist, or something else, if you\'d love the opportunity to actively create content around Core Keeper, wed love for you to apply!\n\nIf you\'re interested in becoming an Ambassador, you can APPLY HERE .\n\nFeedback & Questions
\nWe\'re best suited to handle feedback and questions over on our official community Discord in the mod creators channel . We will do our best to reply to everyone! You can also tag the developer, Rupas, directly, as he is the one who implemented these changes.\n\nIf the mod-creators channel is hidden for you, please check out the opt-in button on Discord here .\n\nWe can\'t wait to see what amazing mods you create! \n\n\nPlease note: Our primary language of communication at Pugstorm is English. We truly value connecting with players from all around the world, but there may be a language barrier if you contact us in another language. We appreciate your understanding![ 2025-12-09 11:03:11 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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