In this unique roguelike mining action game, fend off wave after wave of alien monsters. During the intervals between attacks, dig deep into the ground to uncover valuable resources and relics, then bring them back to the dome to unlock powerful upgrades and useful new gadgets. However, the endless horde of monsters will soon return—will you venture deeper, or head back immediately to prepare for the impending assault? The choice is yours, but you’d better act fast! Use your drill and Guardian gear to quickly dig tunnels and explore the world beneath the dome. Each game features a unique, procedurally generated map filled with abundant resources, explorable caves, and various unlockable perks. Guard your dome by wielding powerful weapons and fend off wave after wave of monster attacks. Upgrade, repair, and defeat various types of enemies. Some approach from the air, while others emerge from the ground; each has its own unique attack methods and movement patterns. Develop by spending resources to unlock useful upgrades. Upgrade your dome’s defenses, boost your drill’s power, or increase your movement speed—strategize carefully and make smart choices to boost your chances of survival. Experiment with custom configurations and find the playstyle that suits you best. In the game, you can choose from two unique Guardians, four different Domes, and four main types of accessories. In addition, you can customize the parameters of each adventure, adjust the difficulty settings, and discover dozens of secondary accessories as you delve deeper underground.