Collect COG Tags is one of the Gears of War challenges in Fortnite Chapter 3 Season 1.
These challenges - referred to as the Delta-One set - are only available for a limited time and, if you complete them all before the deadline, you'll receive a special Gears of War spray.
Completing this challenge will also reward you with 25k XP, which will help you unlock rewards from the first Chapter 3 Battle Pass.
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COG tags locations in Fortnite at a glance
There are 10 sets of COG tags scattered across the new Fortnite map for this challenge:
Remember - you need to collect three sets of COG tags to complete this challenge, which means you must visit three different locations. Thankfully, a number of the tags are located quite close together, so it's possible to complete this challenge in one match.
How to collect COG tags in Fortnite
To complete this challenge, you need to collect three sets of COG from across the Fortnite map. These tags are collected by interacting with them - just like how you would with any other collectable item.
If you want to complete this challenge quickly, we recommend collecting the three COG tags sets located in the northern, snowy, section of the map, because, unlike some of the other tags, they are located quite close to each other. This means you can easily complete this challenge in one match.
One set of COG tags is located at the base of the red bridge just south of Shifty Shafts. You can reach it by either going down the westward set of the stairs within the bridge or by dropping down to the riverbank and climbing up onto the base of the westward pillar.
Another set of COG tags can be found in the northern part of Shifty Shafts near the shack located at the base of the mountain.
The third set of COG tags can be found just north of Logjam Lumberyard by a rock close to the road.
If you'd like to learn more about Chapter 3 of Fortnite, then check out our pages on the Season 1 Battle Pass, the new map, how to slide, web swinging, vault locations, device locations and Victory Crowns.