Venturing into the bunker's lower levels can be quite lucrative for those who are capable of surviving its dangers. The underground floors can be quite difficult for lower-leveled players, therefore it's a good idea to bring decent armor and weapons to these floors. It consists of a ground-floor level and four underground sub-levels that can be accessed via a passcode (obtainable from dead soldiers in resource areas or with CB Radio). Bunker Alfa is one of several Army bunkers that can be found on the Global Map.