The Operation Chaos, a side mission in "Call of Duty: Black Ops Cold War," requires a bit of detective work. However, as soon as the player knows what is needed to get started, the mission is easy and could be solved fast. This guide contains spoilers, tips and tricks on how to decrypt the floppy disc to unlock the Operation Chaos side mission.

Locate the Evidence

Before unlocking the side mission, "Call of Duty: Black Ops Cold War," players need to first locate the evidence and find the code and passphrase to decrypt the floppy disk. Players must look for the piece of evidence obtained from Quasim at the end of the Nowhere to Run mission. It is important not to throw Quasim on the edge so he talk about Arash.

Another piece of evidence needed to unlock the Operation chaos mission in "Call of Duty: Black Ops Cold War" could be obtained during the Brick in the Wall mission. Find the audio reel lying on the warehouse with Operation Chaos mark. This could be found after the player frees the informant. The third piece of evidence is upstairs in the retro bar during the Redlight Greenlight mission.

Look for the Passphrase And The Code

These pieces of evidence are needed to decrypt the floppy disk that will unlock the Operation Chaos mission in "Call of Duty: Black Ops Cold War." To do that, players have to look for the passphrase. Find the red and blue numbers that appear in a sequence and figure out the missing numbers. After that, players need to get the floppy disk code.

To obtain it, start looking at the front page of the Observer newspaper. The letters are highlighted in red, which, when put together, make the name of the city of Orlando. Listen to the Number Station Broadcast and wait for the code that goes with the name of the city.

Players should get the 3, 7, 1, 0 number combination. Key in this code in the second area of the disk decryption screen to solve the puzzle and unlock the floppy disk. Those are the things that "Call of Duty: Black Ops Cold War" players need to do to unlock the Operation Chaos mission in the game.

"Call of Duty: Black Ops Cold War" is now available. The first-person shooter title is now playable on various gaming platforms. This includes PlayStation 5, Xbox Series X and Series S, PlayStation 4, Xbox One and Microsoft Windows.