Inspired by Rogue, NetHack is an ASCII-based RPG in which the player must navigate the Mazes of Menace in search of the Amulet of Yendor for his deity.
Just thought I'd peek into Gehennom to map the first level and show people what it looks like. The arch-lich did not appreciate tourism. We learned afterwards that the damage I mention at the end was from Psi-bolt.