Gotham's watchtower, in your pocket. Every case, every rooftop, one signal.

Night patrol Signal on the clouds Zero fatalities Arkham watchlist No guns. No killing.

ROGUES
GALLERY

Six names Gotham keeps a cell warm for. Tap any file for last known whereabouts, M.O. and threat level.

J
Chaos agent

The Joker

No fingerprints, no file, no motive that holds up in court. Last seen leaving a laughing gas canister at Ace Chemicals.

?
Puzzle master

The Riddler

Leaves a card before every move. Solve the riddle and you get the address — solve it late and you get a crime scene.

2
Coin flip

Two-Face

Former District Attorney Harvey Dent. Every verdict now comes down to a scarred silver dollar landing heads or tails.

P
Black market

The Penguin

Runs the Iceberg Lounge above board and half of Gotham's arms trade below it. Never holds the gun himself.

C
Wildcard

Catwoman

Selina Kyle. Steals from people who earned it the worse way. Occasionally on Batman's side, never on the GCPD's.

F
Cold case

Mr. Freeze

Victor Fries can't survive above freezing. Everything he takes, he takes to keep Nora alive one more winter.

LIGHT
THE SIGNAL

Gordon's rooftop lamp, rebuilt as a dispatch network. Scan, report, and the cowl is already moving.

Get the
Signal app
1,247 Cases closed this year
4:12 Average rooftop response
0 Lives taken. Ever.