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:
Overwhelmingly Positive (606) - 96% of the 606 user reviews in the last 30 days are positive.
All Reviews:
Very Positive (14,140) - 86% of the 14,140 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 (222)

December 6


Hey all, Thursday greetings.

We’ve currently got the final Build 40 patch in a public IWBUMS beta, and since last week have released 40.37 and 40.38  into it. This includes Turbo’s new night shaders and more colourful/useful interior lights, flashlights and headlights as we felt that Build 40 had moved away from what we wanted in this respect. You can see the video of this from a previous Thursdoid here.

So far IWBUMS testers have reacted really positively the new nights, which is heartening to see. We’ve had quite a few comments like “Night-time looks like the old PZ nights and flashlights finally have a function, this is amazing!” and similar, which is exactly what we were hoping for.

IWBUMS beta 40.39 was due for release today ready for the public patch, but Stas is still hitting a chatbox whisper bug with a code hammer. It will also add in, upon arrival, a fix for players getting wet in some player constructions and add back in the system we have that governs on how dark nights are depending on how bright the moon is.

Turbo has also added the dither circle stencil to the weathermask system (the ring of visibility around the player) when it comes to being inside buildings, which really improves the look of it all. Here’s a video of it without, and here’s a video of it with.

Work continues with the AnimZed tool, clothing, layering, spawned zed outfits and similar. There’s still loads of stuff to do under the hood for 41, but we’re now in a position to hopefully provide more visual updates in blogs each week.

This first video touches on what we discussed last week – the ability to layer clothing in whatever order we/you please for added player/zombie variety.

This allows for full length clothing items like dresses, different sorts of shoes, the ability to wear an apron under a jacket, different underwear etc.

This week Zac has also added a zombie spawn test function that creates zeds wearing different outfits from our assigned collection – or all dress the same. This is so we have a convenient way of testing all the different randomized and non-randomized clothing items at once.

Finally for this section, here are some of the dev-defined Career Zed outfits that the system’s easily conjuring up for Martin. 

Yuri this week has continued working on the code for calculating the direction of water movement that we discussed last week – meaning that the game now knows where water should be still and where it should flow.

He’s also fixed some model issues he was having with the anims build, and improved the way banks look. As we’ve said before, it might look too realistic in some aspects of it – but the different quality options give us room to play here.

Chris W is back with us and back in the code, picking up where he left off with improving the way that building interiors are displayed – to the extent that one day our aforementioned friend the dithered visibility circle stencil will no longer be a requirement.

“I’m replacing the old method of stencilling out walls that obscure the interiors” he explains.  “The new method will cut the walls down to ankle height, so you can still see where they should be.”

“The system uses shaders to combine multiple texture samplers, while the old method used multiple passes. When it’s finished, it’ll include curved transitions between the full walls and the cutaway walls. You can see my first work on this in the screen below, but there’s still a lot to change and fix.”

  • Stas continues his work on the ControllerTest Build, with a fixes version released to testers today. If you would like to join in the test beta and earn yourself a free PZ code, enquire within.
  • Bitbaboon Steve is back with us and investigating ways to optimize MP.
  • RJ is looking into ways to allow us better control over our loot spawn system and difficulty levels, given the many new items that future builds will bring.
  • Mash continues with her work/marathon in the creation of our take on Louisville, and is currently creating the crumbier/seedier end of town.

This week’s plea from the forum from Sick Boy. 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. TheCentralized 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.
39 comments Read more

November 22

The Darkness

Hey everyone, lots to get through today soooo…

We’ve just patched Build 40, which is now up to version 40.36. Primary improvements you’ll notice are:
  • Local text chat now audible/legible from a distance, and no longer obscured.
  • Weather period frequency throughout the whole year increased, and more heavy weather.
  • Car alarms now attract zeds again.
  • Chat now logged on server (format will be improved later)
  • Less getting wet in inappropriate places

There’s a fair amount of other stuff too though, details on which can be found here on the forum.

One of the biggest problems with Build 40 on release was that the new time of day, and time of year, shaders didn’t play very nicely with the lighting system. Flashlights, internal lighting and vehicle headlights all suddenly look very washed out. Players who venture out in the dark weren’t having as much fun as usual.

As such, Turbo has been working on an improvement that we want to get into the current public version before he moves fully into Build 41. Vids of this can be seen below.

We hope you agree that it looks far, far better – and more than a little scarier to boot.

“In the above videos the ambient values have been changed along with the colours during dark periods (night/storms)” Turbo explains. “This fixes the headlights, flashlights etc and makes darkness look better in general.”

“Also seen below is some improved and indoor lighting during dark times. In the initial Build 40 release my shader overlay coloring messed it all up – so now the shader coloring is disabled when you’re indoors. This did come with the problem that when you’re looking outside you wouldn’t see darkness or weather effects, however, so I’m now using the mask cut-out I created for rain to overlay an external colored texture too.”

“Before we patch I will probably adjust storms a bit too though, as currently they lose a bit too much of their storm tint.”

We’re transitioning the PZ coders over to the work that TEA have done on animations for Build 41, but in the mean-time guys like Zac and Grant are continuing to improve tools and, in the case of Grant, do some optimization of the anims codebase.

“I’m doing a lot of work on the new clothing tech at the moment” explains Zac. “Using AnimZed wearable bags like backpacks are now visible on the character, and characters can equip custom clothing meshes on top of the base rig.”

“This allows outfits such as baggy jeans, coats, dresses, hoodies, jump-suits, and so on and parts of the base mesh can be now be masked out to prevent clipping and/or overdraw. When this gets to the modders then it’d be fairly simple to even do something like replace a character’s hand with a pirate’s hook or something.”

“It’s all customized for each clothing item, using the paper-doll UI inside the new ClothingItem Editor. There’s also random tints for more variety in the clothing too.”

(please note: on the spot turning animations are not in the build yet but will be before release!)

Regular Thursdoiders will know that Yuri is currently working on the improved appearance of water for Build 41. Below you’ll find what it looks like currently, but here’s a note on what to look out for:
  • A ripple effect has been added to the water, that will let players to see the direction and speed of the wind added to the game in Build 40 on the water’s surface.
  • The water shader now accepts data for flow direction and speed for each tile in the map, so rivers are now more realistic. In the video you can see how the water flows more slowly near the bank, and also how the flow of water smoothly changes its direction along the river.
  • Three water ‘visual quality’ options have been added. There is now a high and low quality option for both dynamic water and static water. Low quality dynamic water puts a very small load on the GPU, so it should be okay on most PCs.

You can also see Yuri playing around with the different debug values for this system here.


We’re currently running a beta for the work that Stas has recently been doing on gamepad controller improvements, and folk have been contributing some absolutely brilliant feedback.

If you enjoy playing PZ with a pad want to join in, and earn yourself a FREE PZ CODE, then simply visit this thread[/b], install the controllers beta, play for a few hours and answer the ten questions we’ve provided.

This morning we released a new version of the Controllers build using your feedback, and Stas has quashed many of the bugs that were irking people. So now is a great time to join in.

Please note that currently only PC players can run the build, and also that the joypad back-end system, configuration and bindings have been completely rewritten from the ground up. In the process some aspects of the controls and default bindings have been changed in the rewriting process – if you have any issues with the default bindings and behaviours of the controls we’d like to hear about it.

A quick shout out for Xeonyx, the creator of the wonderful map mod New Denver – which has recently been renamed as Slocan Lake. Jamie is now making Challenge maps for the main game, the first of which will likely appear in Build 41 at this point, but wanted to bring his most famous mod creation up to date.

The new version of Slocan Lake now has vehicle spawns and lootable maps, and no longer covers up areas of the vanilla zomboid map. You can find it here.

“With the additions of the towns of Silverton and Rosebery,” explains Xeonyx, “I felt it necessary to change the name of the map mod to Slocan Lake BC to better reflect the region the map takes place in, and not just the first town that was completed.”

“Players can now choose to start in one of the three towns as opposed to just New Denver, and with vehicles being added it makes for easier travel between places. I’ve also added forage zones to let players to gather supplies, even when they’re kilometers deep in the bush.”

“Traveling players will find the map no longer covers parts of the vanilla map (Farmlands, Rosewood Prison etc) and has been pushed South. So if you find a road going South off the highway here, this will take you to New Denver.”

“I’ve also added lootable maps to the mod, so you have maps of Silverton, New Denver, Rosebery, Full Region Map and Golf Course Cards out there to find. I also added in the real world street names on the town maps for players wanting to better navigate, and clearly to underline how the map mod is a 1:1 scale recreation of the real life region where I live.”

This week’s pile-up from Maris. 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. Oh, and Happy Thanksgiving to all our American survivors!
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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: Vista, 7, 10
    • 64bit OS required
    • Processor: Intel 2.77GHz Dual Core
    • Memory: 4Gb Ram
    • Hard Disk Space: 3gig
    • Video Card: Intel HD 3000 or above. Radeon 4xxx series (or below) graphics cards / Please make sure to try the demo before purchasing!
    • Sound: FMOD 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: 4Gb Ram
    • Hard Disk Space: 3gig
    • Video Card: Intel HD 3000 or above. Radeon 4xxx series (or below) graphics cards / Please make sure to try the demo before purchasing!
    • Sound: FMOD 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.

    • Processor: Intel 2.77GHz Dual Core
    • Ubuntu LTS 16.04/Steam Machine. Requires Libgcc 6 or higher
    • Memory: 4Gb Ram
    • Hard Disk Space: 3gig
    • Video Card: Intel HD 3000 or above. Radeon 4xxx series (or below) graphics cards / Please make sure to try the demo before purchasing!
    • Sound: FMOD compatible sound card

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