Cooperation

This is two player co-operation level. Use your online names and don't have identical names to the main player (Important). If you give your mate an order to pick up something or destroy something that objective will be added to his/hers. If your higher then him you don't recieve non storyline orders from him but its the opposite if your lower then him. Friendly fire is allowed to killable characters.

Starting

 * Select your online player.
 * Select a rank between Colonel and Private
 * Select difficulty
 * Start game

Talking

 * Press Y, Start and go to the friend talk or left stick to talk to your friend so your friendlies don't think you are weird. Trust me unusual talking will get you killed.
 * Press nothing to talk with storyline or tell NPCs or your friend an order. Radio will pick up the speech as well.
 * Hold Z or the left stick to talk to your close by allies or your friend.

Dos and Don'ts

 * Do: If your down and your friend as the medic ability call out to him
 * Don't: Don't accidentally say the wrong thing or Nikita will no your a traitor and shoot your mate or instruct you to do it resulting mission failure if it is early in the mission.
 * Do: Follow all orders Nikita throws at your.
 * Don't: Don't say stuff yourself to Nikita or Olga or you'll be shot on the spot resulting mission failure if it is early in the mission
 * Do: Discuss who you want the traitor to be so your friend won't get the wrong idea note: if you play with him again he'll after to be killed by you again.
 * Don't: Don't kill you mate early in the mission or nikita will kill you.

Objectives

 * If a C4 is instructed by your to your mate or your mate to you as an objective a C4 indicator will pop up and that place where you/your mate wants the c4 will be destroyed
 * You can ask your mate to cover you if you want to plant C4 on something.
 * If you give out a new objective to one or another they have to complete it.

Walkthrough
Work together and get to lavarack barracks plant the C4 on random places and get outside to detonate them then get to the helicopter and choose the traitor.