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The Gray Tide is one of the quests in Quarantine Zone: Final Check this will require players to remove the rat infestation from the base. The only stipulation is that players will have to smash said rats with their hammer, which is tricky considering the rats run away when you approach them. Here's a quick guide on how to complete the Gray Tide quest and where to find the rats Quarantine Zone: Final Check.
Quarantine Zone Last Check: All poem locations in Ask Your Mom Quest
Players will have to complete the Ask Your Mom quest in Quarantine Zone: Final Check, which requires them to find graffiti poems in the camp.
How to Find Rats in the Quarantine Zone: Final Check (Gray Tide)
The Gray Tide quest will be available some time after you unlock Reflex Hammer on day 3 in Quarantine Zone: Final Check. The quest objective will be displayed on the bulletin board in the Checkpoint area and will instruct players to help reduce the rat infestation around the base.
Even if you have the firearm/pistol unlocked, the mission requires you to get close and smash them with the hammer.
There are several places where you will see rats running around the base and you will also see this hear their screeching sound when he's around.
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One of the first places is main control point areaand inside the lookout tower to her right.
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Another great place to find rats for the Gray Tide quest Quarantine Zone: Final Check is yours living spaces. Don't forget to look behind the container you sleep in to find rats.
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Finally, you will have a high chance of seeing rats inside Survivor Block. It's one of the largest areas of the camp and you'll need to check the horns closely until you hear their screeching noises.
How to smash rats with a hammer in Gray Tide Quest
If you approach the rats, they will quickly run away before you can smash them with a hammer. You'll need to crouch to sneak up on the rats before they have a chance to escape. Players can crouch Quarantine Zone: Final Check with Left CTRL key on the keyboard. Similarly, you can press the button B button on the Xbox controller or The O button on the PlayStation controller to crouch.
If you have trouble crouching Quarantine Zone: Final Checkyou'll need to press the shift key on your keyboard or the left stick button on your controllers turn off Sprint. Once the sprint is off, only then will you be able to crouch.

- 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


