How to Rank Up Fast in Call of Duty: Modern Warfare 2

Select Domination as your playlist. You get points for capturing and holding each point, but all your enemies will be focused on capturing the points too. This allows you to camp, or sit in one spot, and just kill enemies as they pass by. The power struggle between each team's goal score also allows for much longer playtime, meaning more time to rake up kills.

Capture the points. Right at the start of the game, capture the point right next to you. That's an easy 100 points right at the start of the match. Throughout the game, try to capture as many points as possible as well. To aid you in capturing points, carry smoke grenades and use them for cover while capturing a point.

If an enemy is capturing a point, let him capture it first, then kill him. This allows you to get the points for killing him and the extra 100 points for recapturing the point.

Use "noob" weapons. Ignore the enemy team complaining about it. It's a fast way to get kills and to rank up faster. Use the "noob tube" (the grenade launcher attachment); it is a fast and easy way to get a kill. Thumpers also give you easy kills. Also use claymores. Plant them anywhere; it doesn't matter in Domination because no one pays much attention to the ground, as they're just running around trying to capture the points. It's another easy kill.

Know your killstreaks, and use them frequently. If you're using your "noob tube," getting killstreaks will not be a problem. You get 100 points every time you call in a UAV or deploy a package. The care package is a great way to get attack helicopters and other easy kill drops. UAVs are great for finding your prey, and they really come in handy if you get air strikes/harrier strikes from your care package. Last, setting up your machine gun turret in a nice spot will get you a load of kills for quite a while, meaning a lot more experience points.