> the 'room over room' technology which was groundbreaking at the time. Bungie's Marathon from 1994 could also do this and demonstrated it in the deathmatch ma

> the 'room over room' technology which was groundbreaking at the time. Bungie's Marathon from 1994 could also do this and demonstrated it in the deathmatch map 5-D Space[1]. It was really only Doom that bugged out on overlapping sectors. [1] https://www.lhowon.org/level/marathon/30 https://www.lhowon.org/level/marathon/30