Players have to check every survivor that goes through the entrance checkpoint to a safe quarantine area in Quarantine Zone: The Last Check. However, the checkpoint area isn't the only zone that they'll have to manage. They must decide which upgrades to buy for the entire base and how to best distribute their money in order to keep the area zombie-free and the survivors alive, all while managing resources.

Quarantine Zone The Last Check - How to Get More Syringe Analyzers
How to Get More Syringe Analyzers in Quarantine Zone The Last Check

Find out how to get more Syringe Analysers in Quarantine Zone: The Last Check, and discover the best time to use them to avoid running low.

This guide will tell players how they can make as much money as possible in Quarantine Zone: The Last Check in order to quickly upgrade their base. Additionally, it also lists every survivor base building upgrade, including the list of requirements to unlock each one.

How to Get More Money in Quarantine Zone: The Last Check

Besides having to earn tons of Research Points to increase their zone level, players will need thousands of dollars to fully upgrade all of the buildings in their base in Quarantine Zone: The Last Check. Below, players can check how much money they will earn from each task in Quarantine Zone, so they can decide which ones are worth their time when it comes to farming money:

Task

Reward

Note

Complete Bulletin Board task

$1,200

Max 1 per day

Send survivor to the Survivor Block

$400

Work the checkpoint

Send infected survivor to Liquidation

$400

Work the checkpoint

Confiscate contraband

$100

Check survivor backpacks

Confiscate collectible

$500 (+$100 for contraband)

Check survivor backpacks (rare drop)

Zombie kills

$75

Check the tower by the Defense Center

Rat kills

$25

Tend to spawn near checkpoints or tents

Send 5 survivors to the Military Truck

$1,000

Only available on Evacuation Day

Send 10 survivors to the Military Truck

$1,000 (+$1,000 from previous tier)

Only available on Evacuation Day

Send 14 survivors to the Military Truck

$1,000 (+$2,000 from previous tiers)

Only available on Evacuation Day

Send 18 survivors to the Military Truck

$1,000 (+$3,000 from previous tiers)

Only available on Evacuation Day

Send 22 survivors to the Military Truck

$1,000 (+$4,000 from previous tier)

Only available on Evacuation Day

How to Avoid Losing Money in Quarantine Zone: The Last Check

Lastly, if players want to keep making a profit in Quarantine Zone, they must make sure that they avoid making mistakes, such as letting infected onto the Survivor Block, confiscating the wrong equipment or infected parts, letting quarantined survivora die at the hands of a zombie, or killing innocents.

All Survivor Base Building Upgrades in Quarantine Zone: The Last Check

upgraded base quarantine zone

There are nine buildings to upgrade on the player's base. Upgrades will progressively become available as players increase their current zone level. Here is each upgrade available for each building:

Generator

The generator is necessary to keep the power on all over camp.

Upgrade Level

Description

Max Fuel

Power Output

Requirements to Unlock

Generator 1

An old salvaged unit. Produces minimal power per fuel canister.

42

12

  • N/A

Generator 2

A reliable starter model. Generates a small but steady amount of power.

60

20

  • Zone Level II
  • $4,000

Generator 3

Balanced output and fuel efficiency. The workhorse of the base.

78

22

  • Zone Level III
  • $6,000

Battery

Keeps the system running for one minute during a power outage.

78

26

  • Zone Level III
  • Generator 3 upgrade
  • $2,500

Generator 4

Upgraded engine with improved fuel efficiency and higher power output.

96

32

  • Zone Level IV
  • $7,500

Generator 5

Top-tier model capable of powering the entire base. Maximum efficiency per fuel canister.

120

27

  • Zone Level V
  • $9,000

Solar Panels

Generates clean, free power.

120

27

  • Zone Level V
  • $10,000

Canteen

Players need enough food and canteen seats to keep their survivors fed.

Upgrade Level

Description

Power consumption

Seats in Canteen

Max Food in Canteen

Requirements to Unlock

Canteen 1

Feeds up to 12 people per day.

1

12

40

  • N/A

Hydroponics

Passively creates 8 units of food per day.

2

12

40

  • Zone Level II
  • $3,000

Canteen 2

Extended canteen. Feeds up to 20 people per day.

3

20

60

  • Zone Level III
  • $3,000

Canteen 3

Huge canteen. Feeds up to 36 people per day.

4

36

180

  • Zone Level IV
  • $7,000

Clinic

Players need enough medkits to heal all sick survivors and prevent deaths on camp.

Upgrade Level

Description

Power consumption

Max Med Kits

Requirements to Unlock

Medical Tent Area

Treats up to 10 sick people per day.

1

15

  • N/A

Clinic

Treats up to 25 sick people per day.

2

25

  • Zone Level II
  • $3,000

Pharma Generator

Produces 5 med kits per day.

3

25

  • Zone Level III
  • $6,000

Tents

If players want to increase the number of survivors on their camp, they must have enough tents to house them until evacuation day.

Upgrade Level

Description

Power consumption

Max Beds

Requirements to Unlock

Tents 1

Capacity for 12 people.

1

12

  • N/A

Tents 2

Capacity for 15 people.

2

15

  • Zone Level II
  • $1,000

Tents 3

Capacity for 18 people.

3

18

  • Zone Level III
  • $2,500

Tents 4

Capacity for 21 people.

4

21

  • Zone Level IV
  • $5,000

Tents 5

Capacity for 25 people.

5

25

  • Zone Level V
  • $8,000

Security Tower

Necessary defense building to keep survivors alive.

Upgrade Level

Description

Requirements to Unlock

Security Tower Foundation

Foundations for a future security tower.

  • N/A

Security Tower 1

Automated defense post that eliminates infected entering the block. Reduces casualties during outbreaks.

  • Zone Level II
  • $3,000

Security Tower 2

Twice the effectiveness - and twice the noise.

  • Zone Level III
  • $5,000

Laboratory

The lab is one of the Distribution Zones in Quarantine Zone: The Last Check. It is here that players conduct experiments to find new symptoms.

Upgrade Level

Description

Power consumption

Requirements to Unlock

Laboratory

An expensive scientific module used to research new symptoms.

1

  • N/A

Zombie Cage

A containment unit for infected subjects. Do not allow power to fail.

2

  • Zone Level II
  • $40,000

Auto-Feeder

Automatically converts corpses into nutrient paste to sustain the subject.

3

  • Zone Level III
  • $10,000

Quarantine

If players aren't sure if a survivor is sick or infected, they must send them to quarantine to monitor their symptoms. As demain at the checkpoint increases, players will need to increase the capacity of this zone.

Upgrade Level

Description

Power consumption

Requirements to Unlock

Quarantine 1

Capacity for 3 people.

1

  • N/A

Quarantine 2

Capacity for 4 people.

2

  • Zone Level II
  • $1,000

Quarantine 3

Capacity for 5 people.

3

  • Zone Level III
  • $2,500

Quarantine 4

Capacity for 6 people.

4

  • Zone Level IV
  • $4,000

Quarantine 5

Capacity for 7 people.

5

  • Zone Level V
  • $6,000

Checkpoint

Players can improve the checkpoint to make their job easier and ensure that they don't make mistakes while checking for symptoms in Quarantine Zone: The Last Check.

Upgrade Level

Description

Power consumption

Requirements to Unlock

Checkpoint

Zone for checking and distributing survivors.

1

  • N/A

Metal Detector

Alerts if metal is detected in baggage.

2

  • Zone Level II
  • $2,000

Gunpowder Detector

Alerts if gunpowder is detected in baggage.

3

  • Zone Level II
  • Metal Detector upgrade
  • $1,500

Chemical Detector

Alerts if pills or narcotics are detected in baggage

4

  • Zone Level III
  • $3,000

Rot Detector

Alerts if rotten or infected metal is detected in baggage.

5

  • Zone Level IV
  • Chemical Detector upgrade
  • $2,000

Symptom Scanner

Displays the symptom types suspected for this survivor. A suspected symptom doesn't always mean it is present.

6

  • Zone Level IV
  • $4,000

Power consumption will increase with each upgrade. If players purchase all optional upgrades, they will also increase power consumption in the building.

Defense Center

The Defense Center is where the defense drones are kept whenever there is an attack near the checkpoint entrance.

Upgrade Level

Description

Power consumption

Requirements to Unlock

130mm Cannon

Heavy artillery. Delivers powerful strikes on large targets. Limited ammo, high impact.

1

  • N/A

Ability Accelerator

Reduces ability cooldowns by 30 percent.

2

  • Zone Level II
  • $4,000

Soldiers

Several soldiers stationed along the wall to assist in shooting zombies during attacks.

3

  • Zone Level III
  • $5,000
Rating block community and brand ratings Image
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Zombie
Simulation
Post-Apocalyptic
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Systems
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Released
January 12, 2026
Developer(s)
Brigada Games
Publisher(s)
Devolver Digital
Number of Players
Single-player
Steam Deck Compatibility
Unknown
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WHERE TO PLAY

SUBSCRIPTION
DIGITAL
Checkbox: control the expandable behavior of the extra info

PC Release Date
January 12, 2026
Genre(s)
Zombie, Simulation, Post-Apocalyptic
Platform(s)
PC