Game Minedig journey to hollow earth online

Help the miner to burrow into the ground to reach the gems and gold nuggets. In the cave there is no air, so you need to collect oxygen cylinders, they are located in different locations, besides looking for tools to quickly drill the rock and move inland. On the obtained crystals and gold, buy new equipment, so that the hero was able to work more efficiently. Moving - mouse. Watch out for indicators on the upper left corner.