Tunnel Vision

Using sonar mapping to plot out the vast subterranean network, it eventually became evident that all the caves are interconnected. We have uncovered a massive web of tunnels that criss-crosses the entire surface of this world. There have been two additional discoveries of notable importance. The first is that the tunnel system is not a natural formation, but rather has been excavated by some titanic force. The second discovery is even more alarming: seismographic readings prove that something is still burrowing down there.

The command below will trigger the "Tunnel Vision" event in Stellaris:

When this event fires, you can choose between the following option:

• Keep digging!