Once you stand on the exact tiles beneath the Courthouse (look for a broken Gotham City street sign half-submerged in murky water), the number broadcast changes. The voice says:
Beyond the Riddler's mission, Arkham City features three legendary "Numbers Stations" that broadcast eerie, coded messages. These are widely considered the game’s most famous secrets, as they foreshadowed the return of in the sequel, Arkham Knight . Frequency (X, Y) The Coded Numbers Decoding Method Secret Message 700.00 / 500.00 9 23 9 12 12 18 5 20 21 18 14 2 1 20 13 1 14 Simple A=1, B=2 substitution "I WILL RETURN BATMAN" 500.00 / 900.00
The numbers 2-7-5 and 3-2-5, when combined with your map, point to a specific, often hidden area in the city. The first hostage challenge, which this broadcast initiates, typically leads back toward the or a specific rooftop where the next clue or riddle is hidden. 3. Solve the Riddle
Unlike coordinates or simple math, this sequence refers to — a common Riddler cipher technique.
To submit your answer, look down at the interface of the Enigma box. Use the analogue sticks or directional controls to rotate the letter wheels until they spell out . Confirming the word unlocks the box, revealing the exact coordinates for the next hostage location hidden within Arkham City. Progression: Tracking the Riddler's Hostages batman arkham city decode broadcast 2-7-5 3-2-5
Let’s decode step by step for .
This specific frequency is part of the story-based Riddler mission. If you are hearing a voice just repeating a long string of numbers (like 9-23-9-12...), those are Secret Scarecrow Easter Eggs found at different frequencies like 700-500 .
Once decoded, the Riddler will present his first riddle. Solving it—the answer is
Using the keyword "SCARECROW," this decodes to "Fear will tear Gotham City to shreds" . Once you stand on the exact tiles beneath
Decoding the Mystery: Batman Arkham City Broadcast 2-7-5 3-2-5
The numbers refer to specific letters, revealing a hidden message from the Riddler. The decoded message for the first set of riddles is: "SECRET" . Why It Matters: The Enigma Conundrum
: The freed hostage will hand Batman a radio frequency device containing the digits 2-7-5, 3-2-5 .
Open Batman's tool and actively tune the electromagnetic frequency dials to correspond to the coordinates X: 275 and Y: 325 . 2. Decode the Broadcast Frequency (X, Y) The Coded Numbers Decoding Method
Tuning your Sequencer to 2-7-5 / 3-2-5 opens a live audio broadcast from the Riddler. He tasks Batman with solving an introductory riddle to locate his very first hostage. The Enigma Machine Box
If you want to experience this content yourself, here's a clear path to follow:
Simple alphabetical substitution (A=1, B=2, ...):