As players progress through Dying Light 2, they'll begin to unlock more and more side quest opportunities. The main story is just one facet of this lengthy title from Techland, and each time Aiden powers on a Windmill he'll be greeted by an array of NPCs that may need his help. Some of these sidequests are pretty straightforward but others can be downright puzzling.
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A good example that players will encounter early on is The First Biomarker, a sidequest that has Aiden breaking into a safe to retrieve a piece of medical tech for a gruff survivor named McGregor. Locating this particular safe and deciphering the code to access it can be a bit confusing for some. Here's a look at how to reach Dr. Katsumi's office and retrieve the old biomarker in Dying Light 2.
In order to find the safe in Dr. Katsumi's office and snag the first biomarker, players will first need to locate McGregor and start the appropriate sidequest. The NPC has a particular note that players will need to decipher to gain the code for the safe, so the first step is to progress the main story until McGregor is available.
It's important to note that this particular sidequest will not be available until players have beaten the third main story quest, which has them infiltrating a Metro on Hakon's behalf. Once that mission concludes, players can head to the northern part of the map to a rooftop close to where the Trinity and Houndfield zones meet. There they will find McGregor standing outside a room containing a Trader. Talking to him and choosing the yellow response will toss players into The First Biomarker sidequest. At this point, McGregor will point Aiden to the Saint Joseph Hospital (the one
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