You're browsing the GameFAQs Message Boards as a guest. Sign Up for free (or Log In if you already have an account) to be able to post messages, change how messages are displayed, and view media in posts.
Carter: Complete a level in Campaign on Legendary without dying. Jun: Kill 100 enemies in a row without dying (Campaign or Firefight) Emile: Earn a Bulltrue medal on Matchmaking. Jorge: Earn a Killtacular medal on Matchmaking. Kat: Avenge a teammate's death on Matchmaking. Noble Six: code given on Gamescom/PAX.