If not try, -right cklick the game in steam. -Properties. -Local Data. -And then the last two options. Infaaron - 14 years ago - report. 0 0. if your in offline mode or have messed around with the settings or got an illegal version don't expect to play MP. Flamuel - 13 years ago - report. The following items will become available when you reach the indicated level in Multiplayer mode. Handguns Unlock USP .45 - Level 1 Unlock .44 Ma.., Call of Duty: Modern Warfare 2 PC Call of Duty Modern Warfare 3 intel locations guide. Call of Duty: Modern Warfare 3 multiplayer weapons, perks and pointstreaks guide. Call of Duty Cheats. PC Call of Duty: Modern Warfare 2 Campaign Remastered Cheats For Xbox One. Achievements. Complete the required tasks to unlock each Achievement and Gamerscore. If you have more to add to the Mutliplayer sections of Modern Warfare 2 (except the hacking -- old, and everyone knows about it; let it die) please feel free to add to the wiki. Because Steam's version of MW2 has no mod support, security issues, broken weapons (e.g. non-working silencers etc.), bad balancing and an useless anti-cheat that is easily bypassable and can even allow people to play WITHOUT a steam account. This guide will show you all security and gameplay flaws. Ranked Play was introduced to Call of Duty: Modern Warfare 2 in Season 2, which was initially well-received by fans. However, the mode was soon infiltrated by hackers who used third-party software Killstreaks have a long history in the Call of Duty franchise, and they have returned once again in Call of Duty: Modern Warfare 2.While earning a killstreak can be quite difficult, they are nFYP3.