There are 12 Anarky Tags scattered throughout the world of Batman: Arkham Origins ‘Cold, Cold Heart’ DLC.
Out of these 12 Tags, six can be found in the Coventry and the rest can be found in the Diamond District. These Activist Tags are not visible until you turn on the Detective Mode. You need to find and observe all of these Activist Tags in order to net ‘Paint the Town Red’ Trophy/Achievement.
Batman: Arkham Origins Cold, Cold Heart Activist Tags Locations
In addition to the Trophy/Achievement, you will also score Thermal Glove Upgrade.
One thing that you need to note is that not all of these Tags can be acquired at the beginning of the game. Some of them are painted in the area which do not unlock unless you have spent some time playing the storyline.
For better references, check out Gaming since Gaming video guide provided above!
Anarky Tag #1
Location: Head over to the Royal Hotel in the Diamond District move towards the water level. From there, you need to climb up a metal grating and activate your Detective Mode to spot the Tag.
Anarky Tag #2
Location: This Tag can be acquired by heading inside a garage located on the south of the Hotel. You will have to face Penguin’s men before you could spot the Tag.
Anarky Tag #3
Location: You need to head over to the Northern side of the Coventry, and climb up to the rooftop of the building situated right next to the highway.
Anarky Tag #4
Location: You need to go to the Bus Stops in the Diamond District and activate your Detective Mode to spot this Tag.
Anarky Tag #5
Location: This Tag can be spotted on the building near Dock Warehouse in the Coventry.
Anarky Tag #6
Location: Head over to the Soder Cola Building in the Diamond District and turn on the Detective Mode to spot this Tag right under the blue neon-sign.
Anarky Tag #7
Location: You need to look for this Tag on the rooftop of the building located in the Northwest side of the Coventry.
Anarky Tag #8
Location: This one is pretty easy to spot! Head over to the Royal Hotel and search for it on the left side of the main entrance.
Anarky Tag #9
Location: This Tag is located inside a small raised railway tunnel in the Coventry.
Anarky Tag #10
Location: Head to the Diamond District and look for this Tag painted on a stone wall right next to aligned trees.
Anarky Tag #11
Location: Head over to the Southern side of the Coventry and head to the west side of the main road. Go to the rooftop of the building and activate the Detective Mode to spot this Tag.
Anarky Tag #12
Location: You need to head over to the rooftop of the Wayne Enterprises Building and go all the way to the backside to spot the last Anarky Tag of the DLC.