Rebooting Tomb of Horrors, Gary Gygax's incredibly hard D&D module for "invincible characters"

In 1975, Gary Gygax revealed the Tomb of Horrors module at the first Origins convention, presenting it as a campaign that would specifically challenge overpowered characters who would have to rely on their wits to outsmart incredibly lethal, subtle traps, rather than using their almighty THACOs to fell trash-mobs of orcs or other low-level monsters. (more")