Alright, if you are asking what community is better, Halo 3. If we are just talking amount of players, COD 4. Sorry for not reading the description.
Recruit - Onyx
Halo 3 fan who still plays the original Xbox 360 version regularly.
Made your first hot drop into HaloWaypoint.com
View your Service Record on the web.
Become a member of an active Spartan Company.