The Pit

Years ago, Grimhilde discovered something unimaginable at the earth's core: a colossal machine buried deep underground.

When it mysteriously stopped, chaos followed, earthquakes surged, global temperatures soared, and now the planet is slowly drifting off course.

Tunnel 51 is humanity's last chance to fix what went wrong.

The experts failed, but now it's up to a team of bold volunteers—that's you—to venture into the depths, uncover the secrets of the machine, and restart it before it's too late.