October DealsAmazon USOctober deal check: compare before you payAmazon US: current deals, useful picks and tech finds.Check DealsClean PCRecommendedOne scan can reveal what keeps slowing WindowsLook for cleanup and repair opportunities.Run ScanOctober DealsAmazon USDeal season is back - check today's better picksAmazon US: current deals, useful picks and tech finds.See Picks×
Skip to content
VGSources
Blog

How to Enter the Factory Basement in S.T.A.L.K.E.R. 2: Heart of Chornobyl

In Answers at a Price, reach the prisoner on the second floor, descend the collapsed slab to the basement stairwell, and use 2605. The later underground door takes 2603.
WorldS.T.A.L.K.E.R. 2: Heart of Chornobyl Length3 min Posted Quest giverVGSources Team
Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

During Answers Come at a Price, use the code 2605 to open the Factory basement stairwell. The later basement door uses 2603—it is a separate door, not the entrance code. To reach the stairwell, find the prisoner on the second floor, exit through the nearby opening, and descend the collapsed concrete slab to the first floor.

Reach the Factory without using the guarded entrance

This route takes place after Star gives Skif the Factory objective in Answers at a Price. A third-party walkthrough recommends avoiding the obvious fence entrance watched by a guard carrying binoculars. Instead, follow the fence with it on your left, circle the building, and look for a hole and a pipe. Use the opening beneath the pipe to enter the first floor; the pipe also provides a way up to the second floor. The walkthrough’s Factory route is not an official guide, so treat its enemy placements as landmarks rather than guarantees.

Find the prisoner and the basement stairwell

  1. Reach the second floor and find the locked room with a prisoner. Speak with him; he explains that the other captives are in a basement laboratory and asks Skif to retrieve secret documents.

  2. Leave the prisoner’s room and return to the second-floor landing. With the room behind you on your left, use the opening on your right to go outside.

    What’s actually slowing this PC down?

    Pick the symptom - the matching free tool is one click away.

    Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.
  3. Descend the collapsed concrete slab to the first floor. Turn around: the stairwell is straight ahead and slightly to the left. You do not need to re-enter the Factory’s main building.

  4. Enter 2605 at the coded door to open the basement stairwell.

Use the correct code for each basement door

Door Code When you use it
Basement stairwell entrance 2605 After descending the collapsed slab from the second-floor prisoner area
Later coded door underground 2603 After exploring the basement route, returning toward the broken stairs, and climbing a beam

The codes are easy to confuse because both appear during the same mission. Use 2605 for the first basement entrance; keep 2603 for the later door deeper underground.

What to expect in the basement

After entering, pass the old elevator and descend the broken stairs. The walkthrough reports a Bloodsucker, an electrical anomaly, and a fire anomaly along the route. The secret documents are in a red folder near the fire anomaly. Once you have them, return toward the broken stairs and climb a beam to reach the later coded door, which takes 2603.

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

The prisoner is a discovery on the way to the underground laboratory, not a prerequisite for finding the stairwell. The walkthrough says to return to Star after the underground section to report what happened to his people and hand over the documents.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Track the objective if the encounter differs

Enemy positions and quest behavior can vary by game build. GSC Game World’s official March 10, 2025 Patch 1.2 notes include a change to Ward guard positions near the X18 lab entrance during Answers at a Price, as well as quest fixes. If the guards are not where a walkthrough suggests, use the current PDA objective as your guide rather than waiting for a particular patrol to appear.

The PDA shows the Zone map, current location, quest markers, and mission log, according to GSC’s PDA guide. On keyboard, press P to open the PDA, M for the map, or J for the journal; on controller, press the View button to open the PDA.

Survive the underground route

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

Leave a Reply

Your email address will not be published. Required fields are marked *

Special offer. See more information about Outbyte and uninstall instructions. Please review EULA and Privacy policy.

More quests from Patch Notes

  1. How to Turn On Vibrant Visuals in MinecraftMinecraftBlog3min
  2. Best Multiplayer Games for Low-End PCsBlog4min
  3. Minecraft: How To Use And Install OptiFineBlog5min
Recommended PC Tool
Recommended PC Tool
PC Slower Than It Used to Be?Free scan - under a minute
Crashes, No Sound, or Screen Glitches?Free driver scan

Two free Windows tools

One Free Minute Could Fix That PC

Before you go - each of these free tools takes about a minute and tackles what quietly slows a Windows PC down.

Special offer. View Outbyte info, uninstall instructions, EULA, and Privacy Policy.