Season 4 Reloaded has dropped a lot of stuff that's easy to miss if you just log in, play a few matches, and bounce. A lot of players are pushing through the grind with CoD MW4 Bot Lobbies because some of these unlocks are just plain annoying to finish in live lobbies. There's hidden cosmetic junk, event stuff that feels a bit tucked away, and a few challenge paths that only make sense once...