Project Zomboid is the ultimate in zombie survival. Alone or in MP: you loot, build, craft, fight, farm and fish in a struggle to survive. A hardcore RPG skillset, a vast map, a massively customisable sandbox and a cute tutorial raccoon await the unwary. So how will you die?
Recent Reviews:
Very Positive (291) - 81% of the 291 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (13,104) - 86% of the 13,104 user reviews for this game are positive.
Release Date:
Nov 8, 2013

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Early Access Game

Get instant access and start playing; get involved with this game as it develops.

Note: This Early Access game is not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“Project Zomboid is a much more ambitious game than we could ever have hoped to fund ourselves. It has grown massively over the years, and it’s been a rollercoaster, but we now find ourselves in a stable financial situation with an overall positive reaction from the Steam community. We hope you will join us, but if not we understand. If you're not ready to jump in yet, then please consider us when we break out of Early Access.

How often do we update the community? 

We have weekly newsletters known as 'Thursdoids’ which we publish on our site and on Steam every Thursday. These detail what we've been up to during the week, often with sneak peeks of upcoming features, interviews and videos. If a blog is fairly dry they’ll sometimes only be posted on our website, but we've had this unbroken chain of ‘doids for a long time and (although when milestones have been reached we may switch to doing them every two weeks) we certainly intend to continue them for the foreseeable future.

How often do we update? 

We have a reputation that seems to diverge greatly when it comes to update frequency depending on who you ask. Many consider our game frequently updated, some consider us slow. Some public builds have arrived after three months, others with bigger features have taken more than six. You can see all our public build content, and the dates of release, here.
After a build is released and patched we reopen our public unstable beta, known as the IWBUMS (I Will Back Up My Save) branch – so the community can test it, and help out by reporting bugs. During these times, the greater proportion of the development calendar, we try to update the IWBUMS beta every Thursday.

Some features, particularly NPCs and the new animation system required for their implementation, have taken a very long time to implement. This is largely out of our commitment to getting the features right and them not disappointing on release, but it should be noted that we make no apology for delaying their release until we feel they would be enjoyed, live up to people’s expectations, and most importantly do not have a detrimental effect on the gameplay or stability of the game. 

We now work in partnership with several other companies to facilitate all this (General Arcade, and The Eccentric Ape for example) and have also greatly expanded our own staff in the past year.

We will admit to a few long waits between updates in the past, and far longer waits for big features, but we feel from community feedback that the majority of our customers are satisfied with the development of the game.

It should be pointed out too that the game has significant modding support, with map editors and full unrestricted lua modding access, and as such have a vibrant modding community for players to check out.

It should also be taken into consideration that the game is already very far through development, we’d estimate that we’re 75% complete at this point, and we also now have many 1000+ hour players. There is a lot of content to enjoy in the game already and we firmly and proudly believe it worth its current price as it stands.

Please consider reading some reviews if you are still unsure about the content of the game, the release frequency or the debate over the features that have been implemented and those still to come.

Again, full details of all updates to PZ since the release on Steam can be found here.

What is required for 1.0? 

Now vehicles have been released to PZ players there are two major features that are yet to be implemented, the first of which is a requirement for what we want to achieve with the second.

New animation system – a new animation and model system that will allow for more varied and engaging interactions within the Knox Event Exclusion Zone. Allowing better character clothing, more variation in zombies and far greater modding power for the community.

This system is now being developed alongside our friends at The Eccentric Ape, and will also allow for new animations for stealth mechanics (looking round corners, crouching behind walls, cover etc) as well as a rewrite of the combat system to leverage new animations to make combat more involved, intuitive and fluid. 

NPCS - A far reaching and in-depth NPC system with character relationships, personalities, and an emergent story engine that allows for diverse and emergent character based zombie survival story unique to every playthrough. This will also include the return of Kate and Baldspot who starred in the early alphas of the game. 

Several features also require either significant modifications, rewrites or completion before we could consider 1.0. 

Map completion - We still have a major city (our fictionalised version of Louisville, built to a more PZ scale) and an Army base. The rest of the map, which is already pretty vast, can be found here.

UI Rewrite - The UI isn’t perfect by any stretch. We would like to get a more intuitive and ergonomic UI system implemented. 

We avoid ETAs because Early Access development in particular is often filled with unknowns. We want to ensure we get these highly anticipated features right. 

In the meantime however we will continue to update the game and provide new features for our community to play with. While certain developers work alongside our friends at T.E.A. and General Arcade on the ‘bigger’ features we have others devoted to the day-to-day maintenance of the current game: balancing, new crafting recipes, vehicle gameplay, weather systems, professions etc.

What about after 1.0? 

At this point, once we feel we have fulfilled every promise we gave when the Project Zomboid site first launched (except the last one, ahem, ignore that. Absolutely no one wanted that, it turned out), as well as the extra things detailed above, and the game is sufficiently polished and bug free, we will launch the game as 1.0 and leave Early Access. 

What happens at this point depends entirely on whether the game is making money or not, but given the past solid performance of the game we see no reason why it shouldn’t be. Several developers within the team will likely start exploring our second project, however we have dedicated and passionate devs who were brought into the company via the Project Zomboid modding community, emotionally invested in the game, who are already a big part of the development and communicating with the community. As long as Project Zomboid is making enough to support their continued development of the game, and they are happy to continue working on it (which seems likely), we will continue making Project Zomboid. ”

Approximately how long will this game be in Early Access?

“See above!”

How is the full version planned to differ from the Early Access version?

“See above!”

What is the current state of the Early Access version?

“See above!”

Will the game be priced differently during and after Early Access?

“It will likely be £5, $8 more expensive once we hit 1.0. Due to our commitment to making sure early adopters get the cheapest price in appreciation of their early support PZ will never appear in sales that take it below the original alpha price of £5/$8 until we are a long time post 1.0. This commitment also means that, until 1.0 and the price increase, we will never be willing to go beyond a 40% sale.”

How are you planning on involving the Community in your development process?

“See above!”
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Recent updates View all (210)

July 5

Snow DaZe

Happy Thursday all. Work continues on two fronts: the stuff that was developed concurrently with the vehicles build that we intend to get out into an IWBUMS beta as soon as we can, and the stuff that the five guys over at T.E.A. continue to improve our new animations system with in terms of more flexible/data-driven code and an improved AnimZed animation tool to match. Let’s go round the houses then and see what’s new.

As flagged on the PZ website last week, we currently have a public test version of Turbo’s new weather, climate, storms and fog system available for players to try out. You can find full details on how to access this in the forum thread.

Initial player reports have been really positive – with people reporting that they’re feeling a greater sense of seasonal change and are feeling nicely hemmed in (and are having more difficulty driving) in heavy fog.

The primary piece of feedback we probably need at this point is whether players feel some of the new time of day and season shaders are too intense or washed out – you can find details of the debug tools that’d be useful if you wanted to quickly check a variety out in the link above.

Turbo has also just released an updated version of the test weather beta, which features a multiplayer component of his IsoRegions system – this should allow the information about enclosed player-built spaces across an MP network so fog/precipitation can only be shown in outdoor areas. Please note that this will break current saves on this test build.

Turbo will now start to address some of the great feedback he’s received this past week in terms of bugs and suggestions, such as the occasional foggy starting houses and black lines that are visible on some zoom levels.

In amongst the bigger headline features like weather and MP chat improvements currently in the mix, there a variety of smaller features and fixes also on the boil to benefit players, modders and admins. In-game fonts have been made bolder to help with legibility, car wrecks can now be dismantled with a propane torch and welding mask and we’re also tightening the difficulty levels of our more noob-friendly scenarios – as we can’t help but feel that some of our players are getting too easy a ride at first.

Also fresh from the coding furnace, meanwhile, is EasyPickins’ in-game Sandbox Options Editor for server admins. This will allow admins to change in-game settings that don’t require a full restart, and should make managing a server for you and your friends a little more forgiving experience.

This week Zac has built a ‘Paper doll’ interface into the AnimZed dev/modding tool, as seen below this replaces a big list of numbers and toggles – letting you/us design zombie and survivor outfits for in-game use and testing in a far more user-friendly and efficient way. He’s also got 2D blends working in the tool, but still needs to work out the best way to visualize them in AnimZed.

A lot of what T.E.A. are currently doing is improving the system, and adding flexibility, by making large chunks of it data-driven and greatly simplifying (and modularising) the player code. It’s complicated stuff that’ll make devving and modding easier, and should put the game and community in a good shape for many years to come. This has been Grant’s primary work with the ‘state machine’ recently, while Bitbaboon Mark (although we should probably call him T.E.A. Mark at this point) working out the best ways to transition the T.E.A. workflow over into the core PZ team.

Our thanks to Mad Dan for his snow pic, and indeed just for being Mad Dan. A general list of stuff added to PZ, and vids of features being worked on, is kept here – so you don’t have to plough through endless dev blogs for info. The Centralized Block of Italicised Text would like to direct your attention to the PZ Wiki should you feel like editing or amending something, and the PZ Mailing List that can send blogs like this and patch notes direct to your mailbox. We also live on Twitter right hereOur Discord is open for chat and hijinks too.
74 comments Read more

June 22


We released the Build 39 vehicles patch this time last week – release notes for which can be found here.
This seems to have remedied the most pressing issues with Build 39 and
(given that we also don’t want to add any major changes to the pot
without enough testing) further tweaks and improvements will go into
Build 40.

All of Build 40’s bigger features are already complete, if untested,
so we’re hoping to get it into IWBUMS public beta testing within the
next few weeks and for it to be a fairly quickfire version. As such a
lot of work in the coming week involves bringing work done while we were
polishing the release candidate for Build 39 into the main 40 build –
stirring each ingredient in one after the other.

First off Yuri from General Arcade has done a lot of work on MP
networking, vehicle clipping, floating cars, headlights, vehicle shadows
and zombie reaction speeds – and then Stas’ new chatbox will also
finally get its time in the sun. Finally Turbo’s work on the new climate
system, improved rain/snow/fog and general ‘greater sense of season’
work will also be added to the mix.

As we’ve discussed in previous dev blogs, Turbo’s final hurdle was
finding ways to make the new precipitation and fog visible through
windows – initially in pre-made buildings, and then with the trickier
proposition of player-made structures. Telling the game not to conjure
up internal fog in a constructed base was a big issue.

As such, this week he has been finishing a system that can accurately
detect player-made rooms and regions on each height layer – now the PZ
engine can properly detect if an area is enclosed by walls, windows,
door frames and fences. The system also checks whether said area is
roofed, and then mask a feature like fog from that and all connected
rooms. It practice it looks a little bit like this…

Having this functionality in the game will also make it far, far
easier to prevent the occasional ‘zombie in my base!’ bugs that have
been known to creep back into the game – and also be very handy for
other independent zoning systems for farming improvements etc.

While the above features are being added to Build 40 other team
members are blitzing through our internal task system – verifying
reported bugs, fixing up legacy issues and generally sorting out
long-term kinks in the game that have sat in the system unaddressed for
too long. The advent of the new animations system, and the dev
changeover to it, will bring a lot of new work and issues so the more of
these 300-ish minor tasks we can strike from the record the cleaner our
plate will be.

This sort of stuff deals with missing loot spawns, errant nutrition
values, trait issues, places you can’t sleep but should be able to and
other general irritations. In addition, meanwhile, we’re adding stuff to
improve vehicles – like the ability to use metalwork skills to
dismantle car wrecks and retrieve construction materials, and making it
very unwise to drive your car while drunk.

Once we’ve cleared out these tasks we can also add in some more community suggestions,
start to polish some of our more elderly game systems and also do some
planned work on our current loot system to give us more power on what
spawns where and by how much – which is also a requirement to get the
best out of the new animation/models system as we’ll certain zombies
spawning in certain locations, with certain loot around then.

The work on the animations system, and the AnimZed tool itself,
continues with our friends at T.E.A. It’s relatively dry dev work this
week, but all necessary stuff. Zac has been going through AnimZed
changes following the feedback of our animator Martin last week, and
will continue to supply new versions for him to check out. Grant has
been working on the Game state hook-up, and compiling guidelines for
coders and modders to follow with T.E.A.’s data-driven approach to
animation integration. Mark has been investigating load/rendering issues
with backpacks, and Gar is adding new masks/test textures for
texture-based pants/tops which are coming in the editor.

Thanks so much for all your continuing feedback and bug reports on
Build 39 everyone. It’s been great having so many new and returning
players, and hopefully we’ve got some good stuff in the pipeline for all
concerned parties.

This week’s night cruise from Cocoa. A general list of stuff added to PZ, and vids of features being worked on, is kept here
so you don’t have to plough through endless dev blogs for
info. The Centralized Block of Italicised Text would like to direct
your attention to the
PZ Wiki should you feel like editing or amending something, and the PZ Mailing List that can send blogs like this and patch notes direct to your mailbox. We also live on Twitter right here! Our Discord is open for chat and hijinks too.

35 comments Read more
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“What can I say? This game's interface looks so simplistic by today's standards, and yet the Indie Stone team has managed to possibly create one of the best post-apocalyptic zombie survival games in existence to date.”
Max Power! (105 hrs)

“Most realistic zombie apocalypse scenario game to date.”
democar821 (81 hrs)

“The gameplay is surprisingly addicting, sometimes I look at the clock and wonder where the last 4 hours went, but looking at my fort shows me where they went.”
syfy2K4 (1,021 hrs)

About This Game

Project Zomboid is an open-ended zombie-infested sandbox. It asks one simple question – how will you die? 

In the towns of Muldraugh and West Point, survivors must loot houses, build defences and do their utmost to delay their inevitable death day by day. No help is coming – their continued survival relies on their own cunning, luck and ability to evade a relentless horde.

Current Features

  • Hardcore Sandbox Zombie Survival Game with a focus on realistic survival.
  • Online multiplayer survival with persistent player run servers.
  • Local 4 player split-screen co-op
  • Hundreds of zombies with swarm mechanics and in-depth visual and hearing systems.
  • Full line of sight system and real-time lighting, sound and visibility mechanics. Hide in the shadows, keep quiet and keep the lights off at night, or at least hang sheets over the windows.
  • Vast and growing map (loosely based on a real world location) for you to explore, loot and set up your fortress. Check out Blindcoder’s map project:
  • Vehicles with full physics and deep and realistic gameplay mechanics.
  • Use tools and items to craft weapons, barricade and cook. You can even build zombie proof forts by chopping trees, sawing wood and scavenging supplies.
  • Deal with depression, boredom, hunger, thirst and illness while trying to survive.
  • Day turns to night. The electricity falters. Hordes migrate. Winter draws in. Nature gradually starts to take over.
  • Farming, trapping, fishing, carpentry, cooking, trapping, character customization, skills and perks that develop based on what you do in-game.
  • Proper zombies that don’t run. (Unless you tell them to in the sandbox menu).
  • A ton of amazing atmospheric music tracks by the prodigy that is Zach Beever.
  • Imaginative Challenge scenarios and instant action ‘Last Stand’ mode, on top of regular Sandbox and Survival 
  • Full, open and powerful Lua modding support.
  • Xbox Controller Gamepad support on Windows. [Others pads can be set up manually. Gamepad support not currently available on Mac]

    We’re a small team at the moment, but we’re also committed to providing the following:

    Planned Features:

  • The return of our PZ Stories mode that also serves as first ever tutorial actively trying to kill you at every turn. Kate and Baldspot return!
  • In-depth and varied NPC encounters driven in a persistent world, powered by a metagame system that turns each play-through into your very own zombie survival movie with emergent narrative gameplay.
  • Constant expansion of the countryside and cities around Muldraugh and West Point
  • Full wilderness survival systems, animals and hunting for food.
  • More items, crafting recipes, weapons and gameplay systems.
  • Steam Workshop and Achievements support

For more details on the game follow us on @theindiestone or visit

A huge thanks to the wonderful MathasGames and Dean Cutty for making the awesome intro video. If you love indie games their channels are well worth a sub.

System Requirements

Mac OS X
SteamOS + Linux
    • Nb. This is an Early Access game. A demo has been provided so you can be sure the game runs on your set-up to your satisfaction.

      Radeon 4xxx series (or below) graphics cards / Please make sure to try the demo before purchasing!

    • OS: Windows XP, Vista, 7, 10
    • 64bit OS required
    • Processor: Intel 2.77GHz Dual Core
    • Memory: 2Gb Ram
    • Hard Disk Space: 1.23gig
    • Video Card: OpenGL 2.1 compatible dedicated graphics card
    • Sound: OpenAL compatible sound card
    • Nb. This is an Early Access game. A demo has been provided so you can be sure the game runs on your set-up to your satisfaction.

    • OS: OS X 10.7.3, or later. 
    • Processor: Intel 2.77GHz Dual Core
    • 64bit OS required
    • Memory: 2Gb Ram
    • Hard Disk Space: 1.23gig
    • Video Card: OpenGL 2.1 compatible dedicated graphics card
    • Sound: OpenAL compatible sound card
    • Controllers currently unsupported in Mac
    • Nb. This is an Early Access game. A demo has been provided so you can be sure the game runs on your set-up to your satisfaction.

    • Processor: Intel 2.77GHz Dual Core
    • Ubuntu LTS 6.04/Steam Machine. Requires Libgcc 6 or higher
    • Memory: 2Gb Ram
    • Hard Disk Space: 1.23gig
    • Video Card: OpenGL 2.1 compatible dedicated graphics card
    • Sound: OpenAL compatible sound card
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