Hydroneer is a sandbox mining and automation game where players excavate valuable resources, craft machinery, and build large-scale mining operations in a colorful low-poly world. Using physics-based tools and customizable equipment, players search for gold, gems, and rare materials while expanding their industrial empire through conveyor systems, drills, and automated production lines. The game blends relaxing resource gathering with creative engineering, allowing players to design efficient mining setups and shape their own growing workshop empire.