Humanity lives in an apocalyptic world that is gradually being destroyed due to darkness. The only chance of salvation is to find a gap by digging deep and long tunnels. Actions take place in the future, 2221. 2 centuries ago, the surface of the Earth had already become unsuitable for normal existence. The survivors fight by any means without light or electricity. Recently, a search group reached the mineral Lumen. The crystal has high energy power, which can be the last salvation for people.
The gamer goes underground with brave miners, where natural resources are stored. However, the previous group did not make it out of the dungeon alive. Below live aggressive creatures, ready to kill any guest. The player leads a squad of workers mining the crystal and digging a tunnel. Enemies attack from all sides and use different tactical abilities. Battle towers serve as the only defense stopping the flow of rivals.
There is a version like a pirate