All Achievements Guide

Complete guide to unlocking all 25 achievements - strategies, hidden secrets, and 100% completion tips

Last Updated: January 19, 2026

In-Depth Guides

Graffiti Locations

Complete walkthrough for 'Ask Your Mom' achievement

Achievement Overview

Quarantine Zone: The Last Check features 25 achievements covering survival milestones, inspection mastery, combat encounters, and hidden secrets. Plan for at least two playthroughs since both endings require separate runs.

25 Achievements

8 Hidden

2 Ending Achievements

Minimum 2 Runs for 100%

Story & Progression Achievements

Core achievements tied to surviving shifts and meeting evacuation quotas.

First Time, Huh?

Complete your first shift without dying

Tip: Focus on learning inspection basics and avoid aggressive survivors

Evacuator

Successfully meet one evacuation quota

Tip: First quota is on Day 5

Master Evacuator

Hit all five evacuation quotas in one playthrough

Tip: Quotas on Days 5, 10, 15, 21, and 26 - miss one and you must restart

Good Work, Son

Hidden

Achieve the good ending

Tip: Hit at least 4/5 quotas while maintaining the zombie cage properly

SNAFU

Hidden

Achieve the bad ending

Tip: Deliberately fail quotas or neglect wall maintenance

City Builder

Upgrade any building in the survivors block

Tip: Access via tablet interface - prioritize efficiency upgrades

Tooling Up

Purchase your first inspection tool

Tip: Prioritize X-Ray Scanner for detecting internal contraband

Inspection & Management Achievements

Achievements requiring mastery of inspection tools and resource management.

Perfect Day

Flawless inspections on every survivor during a single shift

Tip: Resets if you approve an infected OR reject a clean survivor

Jackpot!

Accumulate $50,000 in total earnings

Tip: Minimize fuel purchases and confiscate contraband for profit

Yeah! Science! B...aby!

Research your first symptom in the laboratory

Tip: Send biological samples through your tablet

Finders Keepers

Confiscate any contraband item

Tip: Check backpacks thoroughly

Under My Skin

Confiscate internally hidden contraband

Tip: Requires X-Ray Scanner to detect

Can't Touch This

Hidden

Confiscate a zombie body part from a survivor

Tip: Rare occurrence - usually after failed quarantine procedures

Combat & Interaction Achievements

Achievements involving physical confrontations and facility management.

Light My Fire

Cleanse a quarantine cell using the flamethrower

Tip: Standard procedure during infection containment

Dinner Is Served

Feed a corpse to the zombie in the cage

Tip: Drag body to cage area and use feeding mechanism

Ain't That a Kick?

Hidden

Knock out a survivor using the medical hammer

Tip: Wait for aggressive survivor to threaten you first

Watch Them Closely From Now On

Eliminate a survivor who physically attacked you

Tip: Self-defense scenario

Janitor

Kill 1 rat

Tip: Rats spawn randomly - use your sidearm

Rat Slayer

Kill 30 rats

Tip: Cumulative across all runs - spawn is random

Secret Achievements

Hidden achievements rewarding experimentation and environmental exploration.

Brain Slam

Hidden

Shoot a human brain through the basketball hoop

Tip: Don't incinerate the brain! Clean throws only, bounces don't count

Safety First

Hidden

Use an inspection tool on a checkpoint staff member

Tip: Target a colleague with X-Ray or other tool during downtime

I Can Read

Hidden

Complete any task from the bulletin board

Tip: Check bulletin board daily for new tasks

Headhunter

Eliminate a contract target from the bulletin board

Tip: Accept contract BEFORE identifying the target

Certified Next Shouter

Use the 'Next' command 100 times

Tip: Unlocks naturally through normal gameplay

Lights Out

Shoot 5 light bulbs in the facility

Tip: Use your sidearm - bulbs break permanently

100% Completion Strategy

Plan your playthroughs efficiently for full achievement completion.

First Run (Good Ending)

•Focus on Master Evacuator and Good Work, Son
•Attempt Perfect Day on easier shifts
•Complete Brain Slam while resources are stable
•Knock out most secret achievements

Second Run (Bad Ending)

•Quick SNAFU playthrough - deliberately fail
•Finish any missed cumulative achievements
•Complete Rat Slayer if not done

General Tips

• Track progress through Steam achievement overlay
• Cumulative achievements persist across all runs
• Don't overspend on fuel - save for Jackpot!
• X-Ray Scanner is essential for multiple achievements

Related Guides

Graffiti Locations

Complete walkthrough for 'Ask Your Mom' achievement

All Endings Guide

How to unlock both game endings

Lab Minigame Guide

Master the laboratory for research achievements

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