- Many players think it does not work as the upgrade hitbox of the personal tunnel blocks the area you can mine, but you need to use first person to mine it.
|In Ruins||-||The initial state of the Personal Tunnel. It is boarded up and can not be entered.|
|1||300||The Personal Tunnel can now be entered and you can mine in private. The surface is only 3x3 compared to the public mine's 26x26 surface area.|