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33 players online: 4 of them fighting in 3 battles, 1 waiting for battle, 28 idling in chat (811 played this month)

Welcome to Zero-K


Zero-K is a free, multiplatform, open-source RTS game where massive robot armies fight an endless conflict. It has a powerful interface allowing players precision control over high level economic, strategic and tactical decisions. Units interact intuitively using real projectile and movement physics. It boasts over 100 diverse units including Vehicles, Tanks, Hovercraft, Planes, Gunships, Ships, Spiders walkers and dozens of different robots offering unique strategies and constantly moving combat.



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, unit morphs - 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.

Some of the many units to try out include:





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.

ZK 2v2 Tournament July 4th 2015

The most observant of you probably have noticed by now that the monthly tournament was not held in June.

It is going to be alleviated with the 2v2 tournament to be held on on July 4th, at 10:00 (10 AM) UTC. Registration is open up until 1 hour before that time - and hopefully with an 1v1 and maybe even FFA tourneys later on.

Tournament format & rules:
- 2 human players per team
- Double elimination
- Random seeding
- First map of each round is predetermined, the following maps in the winners bracket will be selected by the loser of the previous game from the featured 1v1 map pool.
- All winners bracket games will be best of 3 (including finals). All losers bracket games will be best of 1 with the exception of the losers finals (bo3).
- There's a hard cap to amount of teams, which is 8. Any registrations over the limit will be added to waiting list to substitute for no-show teams.

It is possible to substitute for players who don't show up. If you have signed up, make sure to show up on time. Those who fail to show up will likely be subbed out by 10:30 UTC.

The players coming first, second and third will receive special unique collectible awards to their player profile, and receive tournament points which will at the year's end determine the year's altogether best tournament player.

Current bracket can be seen here.

The map list for each round will be announced on Friday.

Sign up in the commments!

Posted by EErankAdminAnarchid 5 days ago - comment

Four small releases and engine news

The past 5 days have seen versions 1.3.4.2 to 1.3.6.5 that have gone mostly unannounced. Releases are easy when nothing big and scary is hiding unreleased in the repository. It is much harder to take screenshots and write release posts. The following sections cover all the changes for these releases.

In other new; the latest engine is almost ready for use. The engine devs have been focusing on bug fixes and performance improvements. The results from the human trials last week are promising and all known bugs have been fixed. We are likely to permanently adopt the new version, which is great because recent benchmarks say to expect quite a performance boost.


=== Balance ===

Hunter is now smarter. This is to try to make Hunter vs Scallop balance reasonable at all levels of skill and attention.
* Increased cowardliness of unit AI. Fight now reliably avoids Scallop damage (except when the scallops have a concave).
* Increased Sonar Range 390 -> 450 so it is a bit less blind.

Scallop has reduced DPS and burst to try to make it worse against things it should not beat.
* Damage 180 -> 90
* Reload time 2 -> 1.4

Blastwing is now more usable in ordinary situations and less effective with Newton.
* Acceleration and Deceleration 0.1 -> 0.25

Balance affecting fixes:
* Fixed incorrect and inconsistent BP for commander morphs. Morphs are now about 20% slower.
* Added overkill prevention to Duck and Scallop torpedoes.
* Fixed target priority for kamikaze units. They are no longer targeted as if harmless.
* Moderator is now skirmished by long ranged things (Rogue, Recluse etc..)


=== Interface ===
* Transport AI no longer automatically transports units from factories by default (so it just implements the embark command). The automatic factory behaviour is too intrusive.
* Cleaned up graphics area of ingame menu and edge extension widget.
* Spectators can now see player reserve settings.
* Queued Solars look like Solars.

The following affect the default interface. Old players will not be affected but can reset their interface to the default in order to see the changes.
* Wait hotkey changed to Ctrl+W
* Area Mex hotkey changed to W
* Left click on Quick Selection Bar now selects the unit. Right click selects and focuses.
* Disabled cloak/firestate widget. Most cloaked units tend to want to fire from cloak. The widget also tends to fail.


=== Fixes ===
* Reduced occurrence of units becoming stuck in/on Shipyards.
* Improved/fixed construction priority.
* Fixed stockpile gadget error.
* Fixed antinuke coverage widget crash for spectators.
* Fixed antinuke coverage widget crash related to mobile antinukes.
* Fixed state icons not displaying.
* Fixed Gauss damage (200 -> 200.1)
* Improve delayed commander spawn position.
* Fixed Rogue script.
* Fixed Win Counter.

Posted by AUrankAdminGoogleFrog 12 days ago - comment

Zero-K v1.3.6.1

Recent free time has yielded improvement to two features and a whole bunch of fixes.


=== Jumpjets ===

Jumpers can now jump onto wreckage, map features and structures. The Jumper will slam into the structure, possibility sustaining damage, and slide down the outside onto the ground. Use at your own risk because your units could slid somewhere inaccessible. On the upside they can just jump out if they are stuck. The jump UI colours have been shuffled around slightly to indicate when a jump command will hit a structure.

The purpose of this change is to fix two annoying limitations. Skuttles should be able to jump onto spire turret and it makes sense to sacrifice one Jack to kill a buried Singularity Reactor. Both of these things are now possible.


=== Antinukes ===

Antinukes have been improved with consistent behaviour as well as UI improvements to tell you exactly when your nuke will be intercepted. The switch to this engine version caused antinukes to make a poor attempt at stopping nukes which pass through their coverage. This behaviour is now fixed, antinukes make a very competent attempt to stop nukes passing through their coverage.

The important balance change here is that antinukes block every nuke which will pass over their coverage, not just nukes which will impact within their coverage.


=== Minor ===
[Spoiler]



=== Fixes ===
[Spoiler]

Posted by AUrankAdminGoogleFrog 18 days ago - comment

Zero-K v1.3.6.0

The recent lack of releases has caused this release to be extra large. It is packed with a bunch of minor fixes and decently sized balance changes. The balance changes mostly act on wacky extra stuff (Sea and Jumpjets) instead of the 'core' game. This version (or a soon to be released hotfix) is the last version of ZK to run on 91.0.

The image from the newly released map, Incandecence.


=== Balance ===

Dagger has its nerf partially reverted because apparently the metagame needed much more time to adjust:
* Cost 90 -> 85

Sniper nerfed in a way which spares mid cost units and makes Hammer look more attractive:
* Reload 15 -> 18

Recluse has a small buff to see if it can regain usefulness:
* Cost 300 -> 280

Moderator has a larger buff because it has always had trouble usefulness. The aim is to see how Jumpbots play with a powerful Moderator:
* Cost 300 -> 240

Firewalker now sprays many small fires over a slightly large area. This causes more intense fire damage at short range and increases its damage against shields. The rediculusness of the change is to see if Firewalker can be useful.
* AoE 256 -> 128
* Projectiles 2 -> 10
* Increased spray angle on projectiles.
* Duration 20 -> 16
* Cost 1200 -> 900

Fixed and slightly buffed gravity guns to compensate for engine changes.

Aircraft non-combat regeneration now activates after a period of not taking any damage (this is consistent with land units). Previously aircraft would have to be landed to regenerate. This is important for Banshee which has Glaive-like quick regen (10 HP/s after 5s); all other aircraft have standard 5 HP/s after 60s regen.


=== Sea Balance ===

As we all know, sea balance is quite different to ordinary balance. For this set of changes the aim is to make torpedoes good to use while reducing the scalability of underwater armies poorly due to low range. This is acheived by giving most torpedoes decent damage and a lot less range.

Scallop redesigned as an effective underwater riot:
* Much more able to hit fast things
* AoE 64 -> 100
* Damage 180 -> 360
* Reload 1 -> 2
* Range 430 -> 230
* Sonar Range 300 -> 350

Hunter also redesigned as an effective riot with can outrange Scallops:
* Health 1850 -> 1200
* Damage 96 -> 186
* Impulse significantly reduced.
* Range 340 -> 350
* Reload 1.4 -> 2.2
* Improved tactical AI

Typhoon speed buff (otherwise Hunter beats it):
* Speed 2.5 -> 3.0

Reduced Snake wackiness. Less of a glass cannon and more of a normal unit:
* Health 375 -> 600
* Range 290 -> 210
* Reload 7.5 -> 5.5

Enforcer:
* Cost 900 -> 800


=== UI ===

Banisher now has overkill prevention

Replay control improved
* speed buttons show current speed
* there is an optional progress bar
* clicking the progress bar jumps to the selected time

=== Misc ===
[Spoiler]



=== Bugfixes ===
[Spoiler]

======= Version 1.3.5.1 =======

Version 1.3.5.1 was live for most of May but did not receive a release post at the time. Most of the changes were minor and making pictures is hard. The changelog is included here for completeness

=== Balance ===
* Roaches and Ticks are now visible when ejected from a transport mid-air
* Gauss footprint: 2x2 -> 3x3
* Jump cooldown obeys status effects and is preserved through morph
* Submarines taken out of water are targetable by land weapons and receive full damage from them
* Quill now has a nano-arm animation, replacing arbitrary 2s delay before building

=== UI ==
* Added Insert and Delete keybinds for building rotation. They coexist with the previous keybinds, this is to fix the German keyboard problem
* Ravager now skirmed by Slasher Tactical AI
* Added an option for mex circles to show owner colour
* Unit Marker improved: added factories to the mark list and you can now pick which units to mark
* Reorganised the help section of the F10 menu. There's now a basic ingame wiki here alongside the unit list
* Various improvements to Central Build AI

=== Misc ===
[Spoiler]

=== Bugfixes ===
[Spoiler]

Posted by EErankAdminAnarchid 23 days ago - comment

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