Batman Arkham City Decode Broadcast 2-7-5 3-2-5 [hot] -

→ key 3 (DEF), press 2 times = E. Then key 5 again = K.

The numbers you hear are not random; they are a puzzle. While the game provides several ciphers for different broadcasts, the significance of the "2-7-5 3-2-5" code is found by matching each number to its corresponding letter in the alphabet, with A=1, B=2, and so on.

Radio frequency tuning issues...help requested...please. - Batman

Successfully aligning this solution directly updates your map UI with the hidden location coordinates of the next kidnapped hostage.

"Searching," Alfred replied. A moment of silence stretched, filled only by the distant sound of police sirens and the heavy thud of the rain. "Negative match, sir. '2-7-5' corresponds to an archived GCPD evidence routing number. Specifically... a cold case from five years ago."

: Access your gadget and move the left and right analog sticks to tune the frequency. Set the Frequency X-axis (Horizontal) Y-axis (Vertical) Hold to Decode

"If you know me, you'll want to share me... but if you share me, I'll be gone. What am I?" The Solution: The answer to this classic brainteaser is . Hacking the Enigma Box:

"I'm isolating the frequency," Alfred's voice crackled through the comms, refined and steady amidst the chaos. "It appears to be piggybacking off the old municipal satellite feed. Master Bruce, this encryption is military-grade. Older protocols, but robust."

Here is a complete breakdown of this secret broadcast—what it is, how to decode it, and why it matters.

: Equip your Cryptographic Sequencer and tune it to the coordinates X: 275 and Y: 325 .

While the "2-7-5 3-2-5" signal is directly tied to the Riddler, Batman: Arkham City contains a much deeper layer of secret broadcasts. These are that have no impact on gameplay but add immense depth to the story. By using the Cryptographic Sequencer at specific X, Y coordinates, you can intercept three distinct number stations.

As you rescue more hostages and collect Riddler Trophies across Arkham City, Oracle and Batman will uncover subsequent broadcast coordinates. Use this quick-reference table to manage the entire side-mission chain: Hostage Order Radio Frequency (X, Y) Enigma Riddle Solution Unlock Requirement 275.00 / 325.00 SECRET Rescue Eddie Burlow in Courthouse Hostage #2 625.00 / 925.00 DARKNESS Collect 80 Riddler Secrets Hostage #3 860.00 / 120.00 PENNY Collect 160 Riddler Secrets Hostage #4 400.00 / 400.00 SHADOW Collect 240 Riddler Secrets Hostage #5 150.00 / 700.00 MIRROR Collect 320 Riddler Secrets