In this tutorial I will be teaching you guys how to get a MOAB in the Infected game mode type. This is relatively challenging but it can be done if get some good maps to do it on.

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Instructions

1. Get a friend to join your Modern Warfare 3 party. If you have barely anyone online, you can use your 2nd controller and sign it in as a guest.

2. Go into an online game of Infected and whoever's turn it is to get a MOAB has to find a room or an area with one door.

3. Get your Infected friend/Guest account to stand in the doorway and put their tactical insertion down and just sit there and block the doorway.

4. As other players start to get Infected, they will be coming for you. Just as long as your friend/2nd account is blocking them from coming in, they should pose no problem.

5. Call in that MOAB and get a ridiculous kill-streak that previously may have not been possible.

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You will need to be conservative with your ammo as it might be somewhat difficult to pick up scavenger packs dropped by zombies around you. Once you're in position, it's pretty fun.

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The maps you can do them on that I know of:

Bakaara
Fallen
Hardhat

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These are relatively challenging however if you get there as soon as possible you should be fine. I've gotten about 9 MOABs doing this and it's pretty funny when enemies are blocked and they rage.