Hydroneer is a very fun mining and construction game. Players can build their own bases in the game. Moreover, as a sandbox game, there are many buttons and it is difficult to operate. For example, the W/A/S/D key controls the characters to walk back and forth, and the E key is used to pick up, put down and switch the machine. Buy more automation equipment, buy all ore sorters, separate gold and iron from the ore chain, and automatically transport them to the furnace to wait. You can melt hundreds of steel bars in a short time. Cut it, forge it, sell it, and get thousands of dollars.