Only a handful of game franchises can claim to have established an entire genre, as Doom did for first-person shooters. Thirty years later, John Romero, one of.
SIGIL II is a sequel to SIGIL by John Romero and Romero Games. It was announced through a video interview with Bridgeburner56 which premiered through the Realms Deep online indie games convention on August 15, 2021.[1][2] It is a Doom episode, and was released December 10, 2023.[3]