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Quarantine Zone: Miami Zero is a free prequel campaign DLC for Quarantine Zone: The Last Check. It launched on October 15, 2026. You do not buy Miami Zero as a separate game: you need access to the original game through a purchased copy or an eligible Xbox or PC Game Pass entitlement. The add-on is available on Steam for PC and on Xbox Series X|S and PC through the Xbox ecosystem.
This guide explains which purchase or subscription fits each platform, what the Deluxe Edition does and does not establish, the published PC hardware targets, and what Miami Zero adds to the original checkpoint-management formula.
Miami Zero at a glance
| Question | Answer |
|---|---|
| What is it? | A prequel campaign DLC for Quarantine Zone: The Last Check, set in Miami at the origin of the infection. |
| Release date | October 15, 2026, according to the official Steam Community announcement. |
| Is it sold separately? | The cited announcement describes it as free DLC for owners of the base game. No separate paid Miami Zero edition is documented. |
| What must you own? | The base game on the platform where you intend to play, unless your access comes through the Xbox or PC Game Pass offering identified by Xbox Wire. |
| Platforms | Steam on PC, Xbox on PC, and Xbox Series X|S. |
| PC storage | 12 GB available space for both the minimum and recommended configurations listed by Steam. |
The practical decision is therefore simple: choose the platform on which you already own, or can legitimately access, The Last Check; then install the free Miami Zero content there. Edition upgrades affect the base game and optional extras, not a separate Miami Zero purchase.
Do you need Quarantine Zone: The Last Check?
Yes, for the normal ownership route. Miami Zero is described as downloadable content for owners of the original game, so a standalone Miami Zero license is not established by the cited materials. Buying only a soundtrack, supporter pack, or another add-on will not substitute for the base-game entitlement.
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Buying the base game
On Steam, purchase the base game or a bundle that explicitly includes it. Once the game is in your Steam library, the free Miami Zero DLC should be associated with that license. The store page may show the campaign as downloadable content rather than as a separate product.
Using Game Pass
Xbox Wire identifies Miami Zero as available on Xbox and PC Game Pass, while also describing it as free to owners of the original game. That makes Game Pass the subscription route rather than a second paid edition. Your ability to launch through that route depends on the relevant Game Pass access remaining active and on the game being available in the catalog for your region and platform when you play. Catalog terms can change, so confirm the current listing in the Xbox app or console store.
What the requirement means in practice
- Owning the original game on Steam does not create an Xbox license, and an Xbox license does not create a Steam license.
- Install the DLC on the same platform family as the base-game entitlement; cross-platform ownership should not be assumed.
- If you cancel a subscription, a title obtained only through that subscription can become unavailable even though the Miami Zero content itself carries no separate price.
How to access Miami Zero on Steam
Steam uses the base-game license to determine whether the free campaign is available. The labels can change slightly with client updates, but this sequence follows the current library layout.
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- Open your Library. Select the base game rather than searching for a separate Miami Zero application. The campaign is DLC attached to that title.
- Check the DLC panel. On the game’s library page, open the DLC or manage-content view and confirm that Miami Zero is listed as owned or available at no charge.
- Install or enable the content. Tick Miami Zero in the downloadable-content list, then let Steam finish the download. The client may schedule it with the base-game update.
- Launch the updated game. Start The Last Check and look for the Miami campaign in the mode or campaign selection screen. If it is not shown, exit the game fully and allow Steam to complete any pending update.
If Steam does not recognize the DLC
- Verify that you are signed in to the account that owns the base game; family-library access can have different DLC rules.
- In the game’s Properties window, use Installed Files to verify the installation, then revisit the DLC list.
- Check that Steam is online long enough to refresh ownership and download the current build.
- Do not purchase a second copy of Miami Zero to solve an entitlement problem: the cited announcement does not identify a paid standalone license.
How to play on Xbox Series X|S or PC
The official platform information covers Xbox Series X|S and PC, including Xbox and PC Game Pass. On console, install through the Xbox interface; on PC, use the Xbox app rather than assuming that a Steam installation carries over.
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- Sign in to the correct Microsoft account. Use the account that owns The Last Check or holds the active Game Pass access shown for the title.
- Find the original game in the Xbox store or Xbox app. Open its game page and confirm that Miami Zero appears as included content or an available add-on.
- Install the base game and its update. The campaign is built as DLC, so install the original game first and allow the console or app to apply the latest update.
- Install Miami Zero. Select the add-on from the game’s manage-installation screen, or use the campaign prompt displayed after the update.
- Start the game and select the Miami campaign. If the campaign remains locked, check the account, subscription status, and regional catalog before reinstalling.
Xbox and PC Game Pass considerations
Xbox Wire names both Xbox and PC Game Pass, but the cited material does not specify a particular tier, promotional period, or regional catalog schedule. Treat the listing shown in your own Xbox app or console store as the authority for your account. A subscription can provide access without a permanent purchase, whereas buying the base game provides an ownership entitlement on that platform.
What Miami Zero adds
The campaign is not merely a change of scenery. Its features alter how you investigate the outbreak and manage the checkpoint while trying to leave Miami.
A Miami setting at the infection’s origin
The story moves to Miami, presented as the point where the infection began. You investigate an evolving virus while continuing the checkpoint duties that define The Last Check. The setting gives the prequel its own context instead of retelling the original campaign in a new location.
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The announcement highlights additional tools and symptoms. Expect to evaluate survivors with a broader set of warning signs and to use the new equipment when deciding who can pass, who needs treatment, and who may pose a risk. The available sources do not provide a complete item list or numerical effects for each tool, so those details should be learned from the in-game descriptions rather than inferred from the campaign announcement.
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Dozens of campaign-exclusive survivors
Miami Zero includes dozens of survivors created specifically for this campaign. “Dozens” is the published description; no exact count is established. Their cases support the new setting and symptoms and give the campaign encounters that are not simply recycled from the base game.
Medicine research and development
A medicine research-and-development system adds a longer-term layer to your decisions. Evidence gathered at the checkpoint can feed research, while the evolving virus creates pressure to decide which medical work is worth pursuing. The cited announcement does not publish a fixed research tree, resource costs, or success percentages, so plan around the system’s strategic role rather than an assumed optimal build.
Ship repair and the escape route
Maintaining a ship is the campaign’s escape-focused metagame. Alongside checkpoint operations, you prepare a route out of Miami by repairing the vessel. This creates a second priority: immediate border-control decisions still matter, but progress toward departure depends on keeping the ship operational.
Edition and add-on choices
The Steam listing presents the original game by itself and a Deluxe Edition bundle. It also lists separate Miami Supporter Pack, Supporter Pack, and Soundtrack DLC items. The cited sources do not document the individual contents of every bundle or a separate paid Miami Zero edition.
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| Option | What is established | Who should choose it |
|---|---|---|
| Base game | Includes Quarantine Zone: The Last Check; ownership is the normal prerequisite for the free Miami Zero DLC. | Players who want the core game and the Miami campaign without optional extras. |
| Deluxe Edition bundle | Steam lists a Deluxe Edition bundle. The supplied listing summary does not specify every included item. | Players who want the bundle’s additional content after checking the live product page for its current contents and price. |
| Miami Supporter Pack | Listed as a separate DLC item; it is not identified as the Miami Zero campaign itself. | Players who specifically want the supporter content described on the store page. |
| Supporter Pack | Listed as a separate optional DLC item. | Players interested in that optional package, after reviewing its current description. |
| Soundtrack | Listed as a separate soundtrack DLC item. | Players who want the music; it does not replace the base-game requirement. |
Prices and bundle contents
Live prices, discounts, regional currency, and bundle contents are volatile. The available evidence does not provide reliable figures, so check the current Quarantine Zone Steam store page or Xbox listing at the time of purchase. Do not assume that a Deluxe purchase is required to unlock Miami Zero: the campaign is described as free DLC for base-game owners.
PC system requirements
Steam’s requirements describe two performance targets. The minimum specification targets low quality at 1080p and 30-plus frames per second; the recommended specification targets high quality at 1080p and 60 frames per second.
| Component | Minimum | Recommended |
|---|---|---|
| Operating system | Windows 10 x64 | Windows 11 x64 |
| Processor | Intel Core i7-5820K or AMD FX-8370 | Intel Core i7-10700 or AMD Ryzen 5 5600X |
| Memory | 8 GB RAM | 16 GB RAM |
| Graphics | GeForce GTX 980, Radeon RX 470, or Arc A380 | GeForce RTX 2080 or Radeon RX 5700 |
| Graphics API | DirectX 12 | DirectX 12 |
| Storage | 12 GB available | 12 GB available |
| Published target | Low quality, 1080p, 30+ FPS | High quality, 1080p, 60 FPS |
How to interpret the targets
- The listed CPUs and GPUs are reference points, not a guarantee for every laptop configuration. Mobile parts, thermal limits, and single-channel memory can change performance.
- DirectX 12 support is required. A card that meets the broad performance level but lacks the required API is not a safe match.
- Keep more than the stated 12 GB free if the platform needs room for temporary update files. The published requirement is available storage for the installation, not a promise that future patches will need no additional space.
- The minimum target is 30-plus FPS at low settings, not 60 FPS. Choose hardware nearer the recommended tier if a stable 60 FPS at high quality matters.
Checking a Windows PC before buying
- Press
Win, typeSystem Information, and compare the operating-system architecture and processor with the table. - Open Task Manager with
Ctrl+Shift+Esc, choose Performance, and note installed memory and the GPU model. - Confirm that the system drive has at least 12 GB free, preferably with additional headroom for updates.
- Use the GPU manufacturer’s current driver for DirectX 12 support, then compare the game’s in-game resolution and quality settings with the published target.
Which platform or purchase route fits?
| Your situation | Most direct route | Important trade-off |
|---|---|---|
| You already own the base game on Steam | Install Miami Zero through the Steam library’s DLC controls. | Your entitlement is tied to Steam, not automatically to Xbox. |
| You want to play on a Windows PC without Steam ownership | Use the Xbox app and the PC Game Pass listing, if it is available for your account and region. | Access follows the active subscription and catalog availability. |
| You play on Xbox Series X|S | Use the Xbox store or Xbox Game Pass installation flow. | Console access and any subscription terms are governed by the Xbox account and current catalog. |
| You want optional extras | Compare the base game with the Deluxe Edition bundle and the separately listed supporter or soundtrack DLC. | Optional extras are not established as prerequisites for Miami Zero; verify the live bundle contents before paying more. |
| You need a physical copy | No cited physical Miami Zero product is established. | The documented access paths are digital Steam, Xbox, and Game Pass offerings. |
Buying checklist
- Choose Steam, Xbox PC, or Xbox Series X|S before purchasing; licenses should not be treated as interchangeable.
- Confirm that the transaction includes Quarantine Zone: The Last Check, not only a soundtrack or supporter add-on.
- If using Game Pass, verify the current Xbox or PC catalog entry, your subscription status, and the supported region.
- On PC, compare your processor, graphics card, RAM, DirectX 12 support, and free storage with the published requirements.
- Decide whether the Deluxe bundle’s currently listed extras justify its price; Miami Zero itself is described as free for base-game owners.
- Allow the base game and its updates to finish installing before troubleshooting an unavailable campaign.
Common problems and fixes
“I bought a pack, but Miami Zero is locked.”
Check whether the purchase was the base game. The supporter packs and soundtrack are separate listings and are not documented as substitutes for the original-game entitlement.
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“The campaign is missing after installation.”
Close the game, verify that the base game has finished updating, and inspect the platform’s manage-DLC screen. On Steam, verify the files from the game’s Properties window. On Xbox, confirm that the correct Microsoft account is signed in and that the add-on is installed for the same game version.
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“Game Pass worked before, but it no longer launches.”
Open the Xbox app or console store and check the title’s current catalog status, subscription status, and account. A subscription route is not the same as a permanent purchase, and catalog availability can change by region or over time.
“My PC meets the minimum, but performance is poor.”
The minimum target is low quality at 1080p and 30-plus FPS. Lowering quality settings, closing background applications, updating the graphics driver, and checking that the game is using the dedicated GPU are sensible first steps. Hardware at the minimum level should not be expected to deliver the recommended high-quality 60-FPS target.
Physical copies and Amazon searches
The documented release information identifies digital Steam, Xbox, and Game Pass access and describes Miami Zero as DLC. It does not establish a Miami Zero disc, boxed edition, printed manual, or official collectible. If a marketplace listing claims to be a physical Miami Zero product, verify that it is not merely a code, a copy of the base game, or unrelated merchandise before purchasing.
Bottom line for buyers
Buy or access Quarantine Zone: The Last Check on the platform where you intend to play, then claim the free Miami Zero DLC released on October 15, 2026. Steam PC players should use the base game’s DLC controls; Xbox Series X|S and PC players can use the Xbox or Game Pass route identified by Xbox Wire. Choose the Deluxe bundle only for its separately listed extras, and use Steam’s published minimum or recommended targets to decide whether your Windows PC is suitable.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
