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.
1.1.2.4 Post-Update Stability Patch
Gameplay:
\n- Dedicated servers now support joining by using IPv6 address. \n
- Improved ip arguments description on dedicated servers. \n
- For clarity, changed GameID to Steam GameID when server provides the connection info to player to emphasize that it can only be used by Steam client to join. \n
- Join-game menus Game ID field now allows the use of 0 in GameIDs\n
- Ra-Akar\'s homing projectiles now despawn when the boss is defeated.
Graphics:
\n- Flower Vessel destructibles in Azeos Wilderness now correctly leave flower debris on the ground when destroyed.
Modding
\n- ModIO mod-collection menu now displays mod size in localized megabytes/kilobytes/bytes text whenever unsubscribing from a mod.\n
- Mods that are automatically installed because they are dependencies of other mods are now marked as dependencies in the mod menus. They also can no longer be uninstalled manually unless you first uninstall all mods that require them as dependencies.
Miscellaneous
\n- GravestonemarkersnowvisuallyappearoverWaypointsand Portals on themap.\n
- Addedan -activateallcontent argument fordedicatedserver toautomaticallyactivateallavailablecontentbundles. Ifyouincludethisargument inyourstartup script,youdo nothavetoactivatenewcontentbundlesindividuallywhenthe gamereceivesanupdate.SeeARGUMENTS.txt formoreinformation.\n
- RewordedtheCrossplayoption in thegameplaysettingstoclarifythatthisonlyaffectsplayingwithPCplayerswhoboughtthe game on a differentstorefront. The gamecurrentlydoesnot supportcrossplaybetweenPC andconsoles.
Performance
\n- Fixedlagspikesthatwouldsometimeshappenwhenbossestemporarilywentoff-screen.\n
- Improvedhowmenusareinitializedtoreducethegamesloadtime.\n
- Fixedanissuethatwouldcause a lagspikeeverytimea newdungeonstartedgenerating.Thisissuewasespeciallynoticeablewhenstartinga newworldon adevicewithfewcores.\n
- Fixeda lagspikewhenconnectingto aworldusinga newcharacter.\n
- Improvedhowthe gamefindsconverters,reducingthegamesloadtime.\n
- Clientsnowreceiveand process animation triggers from the server in aworkerthreadjobinsteadofon themainthread.
Bug fixes:
\n- Fixed issue that caused connections not work if player cancels the join process immediately after starting.\n
- Fixed memory leak when using Thai language.\n
- Fixed discord causing crash at the start of the game.\n
- Fixed dedicated server printingGameIDtwice to GameID.txt file.\n
- Fixed dedicated server creating some files (GameID.txt, GameInfo.txt,CoreKeeperServerLog.txt) into the folder the game was launched from rather than the folder game exists in. Now the files should always be created to the game folder.\n
- Themapis nolongerinitiallyblankwhenopenedathighzoomlevelsusingagamepad.\n
- PoisonBerry Walls\' explosionsshouldnowcorrectlyapplythepoisoneffect.\n
- Fixeda bugwhererecipeslotswouldnothighlightat thecorrecttimesduringthe in-gametutorial.\n
- Gravestonemarkerscannolongerpreventyoufromteleportingto aWaypointor Portal.\n
- Newlyhatchedpetsthathavebeendroppedon thegroundarenolongerdeletedwhentheworldisreloaded.\n
- Fixeda bugwheresomeAbioticFactorlootwasnotdropping.\n
- Closingthemapusingthe backbuttonon agamepadnolongertriggersoffhanditemeffects.\n
- CavelingGardenersnowpursuetargetsat arangethatallowsthemtousetheirmeleeattackeffectively.\n
- Fishingin normalwaterin theShimmeringFrontieror Passagebiomesnolongercausestheplayerto get stuckwhentryingtopulluptheircatch.\n
- Fixeda bugwherethe \"caughtfish\"chatmessagedidnotappearifyouimmediatelythrewthe hook backintothewaterwhilehavingabaitequipped.\n
- Fixeda bugthatsometimespreventedtheStarlightNautilusachievementfromtriggering.\n
- Projectilesshouldnolongerdealdamageforextendedperiodsafterthey\'vecollidedwithenvironment.\n
- Minionsshouldnowbecorrectlyslowedbymoldground.\n
- MovingduringtheCoreCommander\'sdeathanimation nolongercausessomeparticleeffectstoappearin thewronglocation.\n
- TheskilltreeselectionSFX nolongerhassignificantlylowervolumethanotherUI sounds.\n
- Gettingdisconnectedfrom a serverwhileapopupdialog isdisplayednolongerresultsinmenusstillbeingopenin thebackgroundwhenreturningto themainmenu.\n
- Theminimapnolongerstaysvisiblein themainmenuaftergettingdisconnectedfrom a server.\n
- Pressing Cancel on the Join-Game screen immediately after starting to join no longer causes future join attempts to timeout.
[ 2025-09-09 08:57:00 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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