How to Solve the Piano Puzzle in Black Ops 6

Call of Duty: Black Ops 6 features a single-player campaign, multiplayer, and zombies.

It’s a spy action thriller set in the early 90s by the end of the Cold War and the rise of the US.

Experience dynamic moment-to-moment gameplay with a variety of play spaces.

Test your skills across 16 new maps including 12 6v6 maps and 4 Strike maps.

There are also round-based zombies to take down hordes of the undead in two new maps.

In this guide, you’ll learn how to solve the Piano Puzzle and access the secret room in Call of Duty: Black Ops 6.

How to Solve the Piano Puzzle in Black Ops 6

Here are the correct piano keys to press in order:

Press key number 5.
Press key number 4.
Press key number 2.
Press key number 3.
Press key number 4.

Tip: If you’re stuck on the locked door, go into the basement (to the right of the safe room, first door in the thin corridor) and go down to the boiler. From there, turn the water and fuel off the whole way, then turn the fuel on to half (50). After that, go hit the pilot which will be a yellow color on the side of said pilot. Afterward, go to the water and turn it up the whole way which will provide a green light, meaning you’ve fixed it!