Stalker 2 Subtle Matter Walkthrough

The ‘Subtle Matter’ quest in Stalker 2 takes you on a search for the truth and hands you answers that you may not like.

Strider (Source: GSC Game World)
Strider (Source: GSC Game World)

Stalker 2’s ‘Subtle Matter’ quest edges you closer and closer to the truth behind life in the Zone and the Subtle Matter itself. You have acquired the X3 cartridge and can finally use it to unveil to check the Representative’s claims into the Subtle Matter itself. The ‘Subtle Matter’ quest is one of the more memorable quests in the game as it dives deep into the absurd realities of the world of Stalker 2 itself. The quest expands on the lore of the world while also offering memorable sequences and moments. However, the quest is no walk in the park, but do not worry, as this guide has you covered.

In this guide, we shall go over the ‘Subtle Matter’ quest in Stalker 2 and how to complete it.

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How To Complete the Subtle Matter Quest

Recalibrate the Antenna

You begin the quest by heading to the Orbita Station in the Burnt Forest region of the game. Here, you will have to calibrate the central antenna using documents in Kaymanov’s office in the station. Be prepared to fend off anomalies in the station. Defeat the enemies and head to Kaymanov’s office on the southern end of the station. Type in the code ‘1995’ to enter his office and obtain the antenna reset instructions and the Lab X15 keycard. 

Use the external exit and head out of the office. Take a left and loop around the building to find a ladder. Climb the ladder to reach the antenna and recalibrate it. Head back down and around from where you came and take the stairs leading below to get to Lab X15.

Lab X15

The path through the lab is linear and easy to navigate. Follow the path straight and deal with the mutants along the way. Clear all the mutants in the area, and Kaymanov will contact you to give further instructions. Head to the pod control room and install the cartridge inside the device near the motherboard. Enter the pod, and a long cutscene will play out, letting you interact with Strider in a conversation. 

Scar (Source: GSC Game World)
Scar (Source: GSC Game World)

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The Choice and Escape

Your conversation with Strider will then be cut short by Scar, who will pull you out of the pod. Another cutscene will play out, and you will be given two choices: “Eternal Spring” or “Life is for the living.” The “Eternal Spring” choice will lead you to “The Spark” ending, whereas picking “Life is for the living” will lead you to Strelok, Ward, and Kaymanov endings.

Once you’ve made your choice, you have to escape the complex. Doing so without attracting attention is a bonus objective. Leave the complex to finish the “Subtle Matter” quest in Stalker 2. 


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