O7 and P.E.A explaining why they are actually are an alright group in terms of strength despite colonising places where you get infinite resources and can destroy the backrooms.
M.E.G being famous and likely the most well known group but nobody actually does much to it on the wiki.
T.P.L.E.A explaining why they can't get to The Promised Land despite there being numerous easy entrances.
Church of Tiana explaining why exterminating everyone is actually an alright thing.
The Backroom Colonists explaining why they need a total of 64 outposts throughout the backrooms.
All the groups in the liminal archives and wiki dot explaining why they are different to all the other groups.
Canazone Trading Operations, Rebuilders, Camp Amber, The Originals and Backroomians, among the other groups not doing anything explaining nothing.