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0 A.D. (pronounced "zero ey-dee") is a free, open-source, cross-platform real-time strategy (RTS) game of ancient warfare. It's a historically-based war/economy game that allows players to relive or rewrite the history of twelve ancient civilizations, each depicted at their peak of economic growth and military prowess.

The twelve factions are: Three of the Hellenic States (Athens, Sparta and Macedonia), two of the kingdoms of Alexander the Great's successors (Seleucids and Ptolemaic Egyptians), two Celtic tribes (Britons and Gauls), the Republican Romans, the Achaemenid Persians, the Iberians, the Carthaginians, and the Mauryan Indians. Each civilization is complete with substantially unique artwork, technologies and civilization bonuses.

Developed using Pyrogenesis, a game engine custom-built to suit our needs, 0 A.D. will give players a rich and entertaining real-time gaming experience. 0 A.D. is portable, running not only on Windows, like most games, but also on Linux and Mac OS X.

We believe free, OS software like 0 A.D. encourages sharing, learning and creativity. That's why we have made the code and data available under the GPL license, and released the art, sound and documentation under CC-BY-SA. Modifying the game's data files is as simple as editing JavaScript and XML files, so anyone can learn how the game was developed and share their own contribution to the 0 A.D. world.

0 A.D. is being developed by Wildfire Games, a community of volunteer, hobbyist game developers from all over the world. 0 A.D. has been an open source project since July 2009. We're looking for programmers, 3d artists and more.

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Wildfire Games, an international group of volunteer game developers, proudly announces the release of 0 A.D. Alpha 21 “Ulysses”, the twenty-first alpha version of 0 A.D., a free, open-source game of ancient warfare. This alpha features new game modes, plenty of new maps, the official introduction of the final civilization: The Seleucid Empire and more!

Easy Download and Install

Download and installation instructions are available for Windows, Linux and Mac OS X. 0 A.D. is free of charge and always will be. Although you might find some people selling copies of 0 A.D., either over the internet or on physical media, you will always have the option to download 0 A.D. completely gratis, directly from the developers.

How to Download 0 A.D.

Instructions for Windows

Instructions for Linux

Instructions for OS X


Moreover, you can redistribute the game and modify it freely as long as you abide by the GPL. You can even use parts of the art and sound for your own projects as long as you abide by CC BY-SA. No “freemium” model, no in-game advertising, no catch.

Top New Gameplay Features In This Release

  • Herocide/Regicide: You start with a hero and are defeated when he or she dies.
  • Wonder Victory: Now you can change the time from when the wonder is built to when you win. Either set it to 0 so you win as soon as the wonder is built or to anywhere between 1 and 120 minutes for a chance for the opponents to destroy it before the match is won.
  • Last Man Standing: Only one player can win the game. Form temporary alliances to eliminate common competitors. But be careful: as the remaining players struggle for victory, allies are forced to turn against you. This mode can be played with every victory condition.
  • New buildings and champions
    • The Persian Hall and Hellenic Royal Stoa can train new Infantry Champions in town and city phase.
    • The Briton Crannog acts as a civic center and dock, providing economic stability on both land and water.
    • Romans and Persians benefit from the new Temple of Vesta and Gate of Ishtar, making buildings harder to capture.

temple_of_vesta.jpgheavy_skirmisher.jpgcrannog.jpg

The Temple of Vesta, Thureophoros and the Crannog


  • Patrolling: When clicking the button or pressing the hotkey (P + Right Click), units move along the path you set for them and attack enemy units they encounter along the way, then return to the beginning and continue doing so until you give them another order.
  • Tech Cost Modifiers and Team Bonuses: The costs of technologies can now be modified by Auras and Technologies, demonstrated by faster and cheaper research when a Library was built. Players get a bonus if they are on a team with a player of a certain civilization. For example allies of Iberians have 20% cheaper skirmishers, allies of Seleucids have 20% cheaper civic centers.
  • Stackable Auras: Capturing further Wonders, Libraries or Theatrons increases the building bonus proportionally. Losing a wonder means losing the population bonus, capturing a wonder means further increasing the maximum population, making the Wonder a crucial part of the empire.
  • New Balancing: The aim of the new balancing is to stop players from destroying buildings with infantry and cavalry, enforce the use of siege engines, reduce the spamming of champions by making them more expensive and slower to train. With the addition of town phase champions and the lessening of attack damage of defensive buildings, early attacks are more feasible. Capturing of buildings is only feasible if they are heavily damaged or left unguarded. More details are found in the Balancing section of the changelog.

Upgrading System:

Buildings and units can now be upgraded. For example the new Sentry Towers can be upgraded to Defense Towers.

image.jpeg.962c25816ff14f12e1ef812fb0d1f1b8.jpeg
Sentry Towers

New Maps

Alpha 21 adds no less than eleven random map scripts and two skirmish maps.

Nine of these random maps teleport players to actual geographical regions: Amazon, Mediterranean, Red Sea, Marmara, Pompeii , Bahrain, Howe Sound, Ngorongoro and Rouen.

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The Mediterranean


rouen.jpg

Rouen


alpha_21_red_sea.png

Red Sea


howe_sound.jpg

Howe Sound


On the random map Caledonian Meadows, wide grasslands, deep forests and seas lie between opposing teams which are yet connected by paths. The map demonstrates realistic terrain generation, distributing resources by height.

caledonian_maedows.jpg

Caledonian Meadows


The Skirmish map Dueling Cliffs uses the new height limit, that was introduced in Alpha 19:

screenshot1666.png

Dueling Cliffs


New Models

The Seleucid faction was completed by adding the models for the Colonnade, Barracks, Wonder, Market, Corral, Blacksmith, Dock, Library, Military Colony and City Walls.

image.jpeg

Seleucid buildings (from the top left): Walls, Wonder, Market,

Military Colony, Blacksmith, Corral, Library, and the Dock


New Fields and Oak trees beautify the landscape. The Gaul Fortress, Tavern and the Ptolemaic Military Colony received new models as well.

image.jpeg

New fields, the Gaul Fortress, taverns on the left and right,

and Sentry Towers, Defense Towers, and the new oak trees in the background.


User Interface

The new Objectives dialog reveals the chosen matchsettings in running games:

objectives.jpg

Objectives Dialog


New Tooltips lift some secrets, like the loot that attackers are rewarded with when killing enemy units or destroying their buildings, the garrisoning- and arrow limit of buildings, healing statistics and assigned hotkeys:

multiselection_tooltips.jpg

Loot Tooltips


Resources of allies are now visible in the tooltip of the top panel and in the summary screen after having researched cartography:

allied_resources_tooltips.jpg

Allied Resource Tooltips


Finally a Multiplayer Pause Screen indicates who took a break:

pause_screen.jpg

Pause Screen


An in-game chat history dialog and acoustical chat notifications ease communication:

chat_history.jpg

Chat History


More Multiplayer Lobby Match Details help to coordinate upcoming matches:

Multiplayer Lobby Match Details


Under the hood

  • The Javascript engine was updated to Spider Monkey 38.
  • Windows binaries can now use more than 2GB of RAM, which should fix crashing on Windows.
  • The game now supports hosting on arbitrary UDP ports, which can be useful if your ISP blocks the default port.

And many more smaller additions and bug fixes, if you want to read a more detailed list see the full Alpha 21 Changelog.

Getting Support

Please see the “Get Support” page on our website to find ways to get help from the active and friendly 0 A.D. community.

We are well aware there is some room for improvement in 0 A.D. Some known issues are: Lag, visual glitches or textures not loaded, missing animations and more. When you provide feedback, we would ask you to focus on some of the other points that could be improved. Thanks.

Please Contribute!

We are seeking volunteer contributors in programming, art, sound, documentation and more. Programmers are especially welcome and can get started immediately.

Interested? Log onto #0ad-dev on QuakeNet on IRC and meet the developers. Also, you are invited to register on our forums and start participating!

Why “Ulysses”?

We name our releases according to development status (“Alpha” or “Beta”), successive release number (1, 2, 3, …) and a word relating to the ancient world, in alphabetical order (“Argonaut” for A, “Bellerophon” for B, …).

“Ulysses” is the Latinized name for the Greek mythological figure Odysseus. This name is relevant for the release because we added the Herocide game mode, and Odysseus is one of the most well known heroes of all time.

For the next alpha, we welcome fan suggestions for words relating to the ancient world beginning with the letter V. Keep it original and related to the time frame portrayed in 0 A.D. (appx. 500 BC – 1 BC)!

Subscribe to 0 A.D. Development News

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Contact info for press, bloggers, etc.: aviv@wildfireTROYgames.com without the capitalized name of a city Ulysses spent some time in.

November News from Wildfire Games

November News from Wildfire Games

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0 A.D. has a new Project Leader, was presented at an event in Toulouse, and is well on its way to have the new unit models implemented. Read about these...

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Millennium A.D. 2 comments

Cen can be translated as "Torch". The torch is known to every living man by its pale, bright flame; it always burns where princes sit within. New skirmish...

0 A.D. Delenda Est released for Alpha 21

0 A.D. Delenda Est released for Alpha 21

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The Delenda Est mod has been released for 0 A.D. Alpha 21 Ulysses. Download it today right here on Moddb.

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Battalions and Formations

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If official release of the game does not include battalions and formations, then this is how Delenda Est would attempt to include battalions and formations...

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This alpha features new game modes, plenty of new maps, the official introduction of the final civilization: The Seleucid Empire and more!

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This alpha features new game modes, plenty of new maps, the official introduction of the final civilization: The Seleucid Empire and more!

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Comments  (0 - 10 of 744)
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Guest
Guest

"Last Man Standing" sounds PVP. Is the entire game PVP or is it both PVP and single-player?

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feneur Creator
feneur

You can play both against AI and other human players (at the same time or one or the other).

Reply Good karma+2 votes
Guest
Guest

Thanks. From the pictures and descriptions it sounds similar to Rome Total War. Would you say that's correct? When do you expect to have a beta version?

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feneur Creator
feneur

It is a lot closer to Age of Empires and Empire Earth, but the timeframe is definitely the same as for Rome Total War.

Reply Good karma+1 vote
feneur Creator
feneur

I just realized that I didn't answer the Beta question. The truth is that it's too difficult to say for sure. It shouldn't be too long now though as most of the gameplay features are implemented, so there should only be a smaller number of Alphas left before we can move on to the Beta phase.

Reply Good karma+1 vote
Phoenix1747
Phoenix1747

Wow! This game is a crap ton of fun. You did a really great job!

Keep on the nice work! :D

Reply Good karma Bad karma+1 vote
Ushiri
Ushiri

Still lots of lag in mp games ?

Reply Good karma Bad karma+1 vote
Justus_Avramenko
Justus_Avramenko

I have played the developer's version (which will be Alpha 21 soon), and it has less lag than Alpha 20. It still has lag, but it is a noticeable improvement.

Reply Good karma Bad karma+1 vote
Omkar_Satapathy
Omkar_Satapathy

It's one of the best open source real time strategy game. Best of luck for future.

Reply Good karma Bad karma+6 votes
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0 A.D. Empires Ascendant
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November news: 0 A.D. has a new Project Leader and will have new unit models soon. And we attended @capitoledulibre! Play0ad.com

Dec 3 2016

RT @Softpedia: 0 A.D. Alpha 21 "Ulysses" Open-Source Game of #Ancient #Warfare Adds New Features Buff.ly @play0adT.co

Nov 10 2016

RT @AliceKlipper: @play0ad > Alpha 21 Ulysses You did it wrong; you should use this name for version 31, that might be a good referen… T.co

Nov 10 2016

RT @Uptodown: Nueva versión del gran @play0ad, sucesor espiritual freeware de Age of Empires. Nueva facción y más modos de juego.… T.co

Nov 10 2016

0 A.D. Alpha 21 Ulysses is out, featuring new game modes, new maps, a finished Seleucid faction, bugfixes, and more! Play0ad.com

Nov 8 2016

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