This game has been Greenlit by the Community!

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Release date: 2010
Zero-K is a free, multiplatform, open-source RTS game where opposing Commanders wage war with increasingly large robotic armies. With design and balance refined over many years of development Zero-K offers many interesting strategies and ways to play.
  • Start with a single commander, build large armies and test your strategies.
  • Enjoy endless variety of tactics and strategies with over 100 units and 3000 hand-crafted maps.
  • Let the powerful interface and unit intelligence help you control large armies while leaving room for smart micromanagement.
  • Change the shape of the battlefield with deformable terrain and terraforming.
  • Join our community of smart, friendly players with ladders, campaigns and tournaments.

Zero-K boasts over 100 diverse units including Vehicles, Tanks, Hovercraft, Planes, Gunships, Ships, Spiders and giant Striders. The amount of unit diversity really is extreme; from the well armored Jack beating your units to death with a spear to glass cannon saturation artillery. Add this to special abilities such as cloaking, terraforming, jetpacks and EMP warfare and there is plenty of room for innovative strategies.

We are dead set against tedious micromanagement. A lot of work has been dedicated to make implementing a plan about as complicated as the plan itself. Other games may limit your ability to implement simple plans such as "move to stand in an arc" or "engage the enemy and stay at your maximum range" but Zero-K has smarter units than that. That is not to say that Zero-K plays itself, far from it, you just won't have to click frantically to make your armies understand simple concepts. Fight your opponent, not the interface!

Units are balanced intuitively using physics. Your robots are armed with many weapon types; Lasers, Missiles, Lightning, Plasma to name a few. These weapons have different characteristics, some are slow and inaccurate while others travel as fast as light. These physical characteristics are used to give units a readily understandable role, for example the small speedy Glaive excels at dodging slow missiles. There are no armor tables to memorize here.

This game has been designed with 1v1, Teamgames and Free For All in mind as well as skirmish AI and cooperative Chicken Defense (alien invasion). So whether you are looking for intense competitive play or more laid back epic battles there is something for you. For competitive players Zero-K offers 15-20 minute long intense battles with very little messing about at the start. Other players may prefer a small tactical teamgame or a larger slugfest where economies can ramp up to produce battles of epic scale. Free for all gameplay actually works quite well with many ridiculously expensive superweapons to create tension and break stalemates. Development of a singleplayer campaign is underway and there are currently some stand alone missions to play.

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Popular Discussions View All (3)
Jun 26, 2014 @ 6:45am
Improve Linux Support
Aug 12, 2014 @ 6:49pm
Casts and Stream
Jun 4, 2014 @ 5:21am
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Lancelot Apr 10 @ 9:40pm 
This is random but once when i had steam open and i was rejoining/spectating a game that was around 12 min in, i pretty much caught up to the game in around atleast 30 seconds xD and generally i would take a lot longer. Any ideas and only reason im asking is because steam generally slows down my laptop and i dont know if this is messing up the zk files because even if steam isnt open i have been crashing more often.
GoogleFrog  [author] Apr 7 @ 6:53am 
Mostly polishing. Most of the work is in transforming our current irc+battle list system to a traditional game menu with options, singleplayer, multiplayer, campaign etc... The underlying game is still being improved as well but not any faster than usual. It is complete to the point that it should be a low priority but that is hard when small bugs exist and the community keeps testing the edges of balance.
Servbot2000 Apr 2 @ 9:32am 
@GoogleFrog, What are you doing in this time before you release it on steam, just some final polishing? A personal vacation? I'd like to know. Also, im still hyped for this to come to steam, i never lost any hype from the moment i clicked the thumbs up...
Rick'a'Rolla Mar 28 @ 4:36pm 
when it will come to STEAM???
Elethio Mar 14 @ 8:42pm 
Truly great RTS
[SvK]光を運ぶ Feb 15 @ 11:50am 
Игра чем-то на поминает Вторжение ...только с большим размахом
Yogzototh Jan 29 @ 7:16am 
Flat tech tree is a unique and very interesting feature of ZK. I have no idea how someone could consider it a bad thing. Especially considering that this "flatness" is achieved not by removing stuff, but by making every choice viable.
Not saying the execution is perfect, as there are units which are thoroughly inferior to their counterparts from other facs, but from design perspective, the flat tech tree is awesome.
GoogleFrog  [author] Jan 25 @ 8:28pm 
Except you are wrong, particularly about manuvering, and I doubt you have played in quite a few years. It just sounded like badmouthing.
BasiC Jan 18 @ 7:57am 
No need to get personal. As somneone that has been playing TA like games since the original came out and games on the Spring engine in perticular, I think I am entitled to my personal opinion.
GoogleFrog  [author] Jan 18 @ 3:34am 
Ah Basic, bitter that your mod did not take off?