GamesFPSCall of DutyCall of Duty: Black Ops 6How to solve the Black Ops 6 radio signal puzzle and get the codeWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. GamesFPSCall of DutyCall of Duty: Black Ops 6How to solve the Black Ops 6 radio signal puzzle and get the codeWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: Activision) There’s a Call of Duty Black Ops 6 radio puzzle waiting for you in the hidden basement. Yes, that sounds creepy, but finding and solving this puzzle in the Black Ops 6 campaign is well worth your time, as it’ll lead to a reward of 1,000 credits - more than enough to get a bunch of weapon upgrades. Just keep in mind that you’ll have to solve theBlack Ops 6 safe code puzzleand thepiano puzzleas well. To complete the Black Ops 6 radio signal …