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.