In "The Tunnel", player take on the role of an unnamed soul who find himself in a place no one would ever wish to end up. Trapped within a labyrinth of tunnels, you must press forward, constantly on edge, unsure of what might be lurking around every corner. With only two companions by your side – your lantern and a pistol – survival is possible. The lantern will be your guiding light through the dark corridors, and the pistol your defense against the nightmares that haunt the tunnels.

As you climb higher, using ladders that offer a faint hope of reaching the surface, you’ll uncover fragments of the story – mysterious paper notes left behind by someone else, offering cryptic hints as to how you ended up in this nightmare. But one question looms large: Can you make it out alive?