This is the source code of Tunnelhack 2: Return to the Tunnels, the graphical, multiplayer sequel to Bryce Schroeder's text-based RPG Steam Tunnel Hack. Tunnelhack 2 is being developed by Bryce Schroeder, Aaron Gallagher, and Jason Negroni. The program code for Tunnelhack 2 is under the GNU GPL, a copy of which is included in the file "copying.txt" in this directory. Consult the Documentation directory for more information, and please visit http://www.tunnelhack.org