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15 players online: 5 of them fighting in 2 battles, 148 on discord

Welcome to Zero-K


Zero-K is a free, multiplatform, open-source RTS game in which massive robot armies fight in an endless conflict. A powerful interface allows players to easily implement their economic, strategic, and tactical decisions. Units interact intuitively, using real-world projectile and movement physics. It boasts over 100 diverse units including Vehicles, Tanks, Hovercraft, Planes, Gunships, Ships, Spider walkers, and dozens of other different robots offering unique strategic options and a dynamic combat style.



or just view the media

Some of the more prominent features:


  • Epic Scale from tiny flea-bots to huge mechs and gigantic superweapons that wreak havoc - hundreds or thousands of units on the battlefield, all easily viewable with a fully pannable and zoomable camera.
  • Realistic Physics mean each shot is physically simulated realtime - you can actually evade bullets if you micro-manage your units! Hills and terrain affect line of sight and radar coverage, and explosions deform the terrain.
  • Planet Wars lets you take control of your own planet and fight for survival in an ongoing online campaign!



  • Natural Balance allows units to depend on their natural characteristics and the benefits of the simulated environment, not contrived special damages to determine their effectiveness.
  • Terraforming - change the terrain: walls, ditches, ramps and more, to provide yourself with an extra tactical advantage.
  • Unique Abilities make sure units are fun to use! From jump-jets, gravity turrets, mobile shields, burning napalm, air drops, commander morphs, EMP, minelayers, burrowers, replicators, and teleporters - we've got it all and more!
  • Streamlined Economy - the economic system is complex without being tedious, with a simple interface and controls. Resources are unlimited and output can be scaled up as the game progresses, allowing for increasingly intense battles. The system is also designed to minimize slippery slope and allow skilled players to make comebacks from losing positions.

There are many even more amazing features, but listing them isn't as fun as trying them out yourself, so visit our Downloads page!

Zero-K is made by the players, for the players. All the game developers are active and experienced players. Balance and fun are assured.

New Rating System

We have recently switched to a new rating system. Elo is being replaced by Whole history rating. Although generally very similar to the old ratings, this means that rating values have changed for every player. Here are the most important things to know about the new system:


Core concepts that remained the same


  • Winning increases your rating, losing decreases your rating.
  • Defeating a higher rated player counts more than defeating a lower rated player.
  • Chance of victory is derived directly from the difference in rating between two players.
  • Rating decreases during periods of inactivity but is fully restored after playing a few games.


Main differences to the old system


  • The rating reacts faster to skill changes, especially noticeable for newer and casual players.
  • Instead of a single rating, the entire history of each player is memorized.
  • There are small daily rating adjustments. These are independent of activity and serve to optimize the rating's accuracy based on past games.


Why change a working system?


  • Lessen the impact of smurfs due to much faster rating adjustments even for old accounts.
  • More accurate and stable ladders that are less susceptible to the outcome of single games.
  • The new system is a base for additional statistics that weren't possible before.


This is just a very basic summary. If you want to learn more I suggest you check out the related forum thread or the original publication.
Posted by CHrankAdminDeinFreund 3 days ago - comment

Campaign Week 8 - Spiders, Ships (and a Tournament)

This week's campaign missions are another two-for-one, unlocking units with two unusual movement types: spiders and ships. These factories are a bit unorthodox and allow for new strategies. As usual, post feedback for these missions in the feedback thread: http://zero-k.info/Forum/Thread/24530

Experience-per-level has been re-scaled to lower the maximum level and give players more time around level four. There are also other fixes, including a fix for losing when a resurrected commander dies.

In other news, a tournament is being arranged for next weekend. See this thread for more details: http://zero-k.info/Forum/Thread/24531
Posted by AUrankAdminGoogleFrog 4 days ago - comment

Campaign Week 7 - Gunships and Skuttle drops

This week the campaign takes to the air with the release of missions for the Gunship Factory. There are also three Jumpbot/Athena bonus missions, look for Firewalker near the Hovercraft area. As always, post feedback in the feedback thread: http://zero-k.info/Forum/Thread/24510
Posted by AUrankAdminGoogleFrog 10 days ago - comment

Campaign Week 6 - Tanks and Terraform

At 36 missions the campaign is now over half-released. This week we have missions for the tank factory along with bonus missions missions featuring terraform, a free-for-all and the Super Extreme Kodachi Rally. These missions are more varied than those released previously so testing is particularly important. Check them out and post feedback: http://zero-k.info/Forum/Thread/24489
Posted by AUrankAdminGoogleFrog 18 days ago - comment

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