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All Endings in Quarantine Zone: The Last Check and How to Get Them

A spoiler-aware guide to the two named campaign endings in Quarantine Zone: The Last Check and the fan-reported steps for reaching “Good Work, Son.”
Length3 min Posted Quest giverVGSources Team
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Spoilers for the campaign outcomes ahead. A fan-made guide identifies two endings in Quarantine Zone: The Last Check: “Good Work, Son” and “SNAFU.” Its reported route to the good ending is a campaign-long effort: meet most evacuation quotas, keep the zombie cage ready, and limit damage to your facility and survivor population. The ending is reportedly calculated before the Day 26 evacuation, so a last-minute change cannot rescue a run that has already fallen short.

How many endings are in Quarantine Zone: The Last Check?

The Quarantine Zone Wiki’s fan-made ending overview names two campaign outcomes: “Good Work, Son,” in which the operation succeeds, and “SNAFU,” in which it collapses. The guide describes SNAFU as leading into Endless Mode from Day 27. Steam confirms that the game has multiple endings, but does not name them or state how many there are; a January 17, 2026 walkthrough also lists separate good- and bad-ending sections. The two named outcomes are therefore the routes documented by these sources, not a developer-confirmed exhaustive count.

The route details below come from the fan-made guides, both last updated January 19, 2026. Steam’s store listing does not verify their thresholds, and the reported conditions have not been independently confirmed against the current game build.

How to get the “Good Work, Son” ending

The fan guide’s central recommendation is to complete at least four of the five evacuation quotas. The quotas require a specific number of uninfected survivors on designated days:

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Evacuation day Uninfected survivors required, according to the fan guide
Day 5 5
Day 10 9
Day 15 14
Day 21 17
Day 26 18

These targets and the four-of-five recommendation are reported by the Quarantine Zone Wiki’s complete endings guide; they are not an official scoring formula. Build a small survivor surplus rather than aiming for the exact target, since hidden infections can lower the number of eligible survivors.

Unlock and maintain the zombie cage

The fan guide says the “Hi Doggy” taskline unlocks the zombie cage. It reports that the cage must be ready for evacuation checks on Days 10, 15, 21, and 26. Keep one zombie contained and feed it a corpse each day, then check the cage’s ready indicator before those evacuations.

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Protect the rest of the operation

Quota performance is not the only consideration the guide identifies. Keep Survivor Block deaths low, avoid letting the perimeter wall collapse, and classify survivors carefully. It also recommends completing at least half of the bulletin-board tasks. The guide describes the ending as reflecting accumulated performance across these systems; it does not publish exact weights or a complete scoring formula.

Plan before Day 26

According to the detailed fan guide, the ending is calculated before the final evacuation begins. Treat Day 26 as the end of preparation, not a final opportunity to repair earlier performance.

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What leads to the “SNAFU” ending?

The fan guides associate SNAFU with missing three or more evacuation quotas, repeated cage failures, a collapsed perimeter wall, and recurring survivor misclassification. They describe the result as an operational collapse followed by Endless Mode beginning on Day 27. These are reported risk factors, not confirmed individual triggers: the guide emphasizes poor performance across several systems rather than one mistake guaranteeing this outcome.

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