Invasion

Half Life Alyx addon by cementstairs
In this one we can choose where to start as it has 5 different maps.
Your part of an invasion force and each map is an objective.
This one is well worth subscribing to.
It has some bugs but nothing that will hamper game play.

https://steamcommunity.com/sharedfiles/filedetails/?id=2574183599&searchtext=invasion

https://steamcommunity.com/app/546560/workshop/

https://cw3host.com

https://cw3webdesign.com