going to compile a list of decent nu-Contractors mods really quick for the lobby host:
https://contractors.mod.io/q-mw19-rust
https://contractors.mod.io/q-cod2bro-troina
https://contractors.mod.io/oo7l-main-vault
https://contractors.mod.io/q-waw-downfall
https://contractors.mod.io/q-codm-saloon
https://contractors.mod.io/q-codm-nuketown-temple

at least the filesizes seem way lower now that the maps have to be optimised for quest support