>>321113584
Onward is the ARMA-type milsim, but it's old as shit and was heavily downgraded recently to be compatible with the standalone Quest.
Contractor$ is the newest one, plays like call of duty. Has a nice coop mode, probably the best graphics of the 3, but doesn't get much attention because most people will just go for Pavlov instead.
Pavlov is counter strike and has all the counter strike maps. Most of the playerbase is children and most of the servers are playing trouble in terrorist town.