In addition to checking survivors for signs of infection in Quarantine Zone: Final Checkplayers will need to watch out for new symptoms as the game and the disease evolves. If a new symptom is suspected, they will have to use the laboratory in Quarantine Zone: Final Check confirm its existence with science.
How to find Solomon in the quarantine zone Last check
To complete the Lazarus Bulletin Board quest, players will need to find Solomon in Quarantine Zone: The Last Check.
How to detect new symptoms in the quarantine zone: the last check
Players must be present when performing symptom inspections on newly arrived survivors look for new symptoms every moment.
For example a a new skin rash may be seenbut will not appear in the list of symptoms. Another example would be to use Stethoscope and hear a new noiselike a low growl, almost like a lion.
What to do if you notice a new symptom
If you suspect a new symptom, send the survivors to the lab instead of sending them to quarantine or disposal. You can either immediately follow them to the lab or wait until the end of the day after all the checks have been completed.
Be warned that you are condemning this individual to death because he will not survive the lab procedure.
If you have multiple survivors who might have new symptoms, quarantine them temporarily as The laboratory can accommodate only one person at a time.
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How to use the laboratory in the quarantine zone: the last check
After sending the survivor to the lab, you should see them in va circular glass cage. Head to computer to start the process removal of the required organ.
The goal is to extract a specific organ, the shape of which will be displayed in the box. The the target organ will be highlighted in greenand can be extracted by holding (E/X/square).
However, there will be others bodies in the wayblocking access to the target. Players can use the laser by holding (LMB/RT/R2) to destroy these organs if they are highlighted in yellow.
Be careful though, like everyone else organs highlighted in red should not be destroyed. If you do this twice, the experiment will fail.
During this process, players can use WASD controls or left stick for movement target as well as up and down.
Organ analysis
After successfully extracting the organ, look in the box behind it and pick it up with (LMB/RT/R2) a drop it into Sample Creator. Click to start the process.
This creates a test tubewhich can also be picked up and this time located inside the analyzer. Click to start the analysis.
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New flag found or not
Now for the moment of truth. If the survivor had a new, previously undetected symptom, they will see a a pop-up menu informing them of their new discovery. This symptom will then be added to the chart for all future checks.
If not, the poor survivor died for nothing.
Each flag is part of a three-part chain, with one green flag, one orange flag, and one red flag. Finding all three will reward the player with bonus research points.
Bonus
It is also available RP bonus for completion organ extraction is part of this procedure in a short time frame and don't make mistakes. Don't bother with it the first few tries haste can result in failure and misses finding a new flag.
- Released
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January 12, 2026
- Developers
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Brigade games
- Number of players
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For one player
- Steam Deck compatibility
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Unknown
