Call of Duty: Modern Warfare 2 was intended to refute the established rules of the cooperative mode. Raids is a new cooperative mode for Special Ops, which has been added, but players must obtain a "raid key" to unlock them.
There are now three episodes total that players must complete following the release of Episode 2 as part of Season 2 Reloaded.
How To Get a Raid Key in Modern Warfare 2
Fortunately, there are three methods for players to acquire a Raid Key, so you may go into the Raid game mode regardless of whether or not you prefer Call of Duty versions.
Multiplayer or Special Ops is a great way to face a daily challenge. These are located at the top of the lobby menu and may be accomplished as well.
You must finish in the top twenty in any Warzone 2.0 playlist to get a Raid Key. This requires you to sit in an Al Mazrah corner for a considerable amount of time.
Players who have escaped to this point and saved at least $30,000 may use the last extraction helicopter to escape to safety and receive a Raid Key in Warzone 2.0.
Players will receive a Raid Key after accomplishing one of the above tasks. By using a single key, all of a player's team members may skip the tedious task of clearing the same relevant task for a week.