• Traditional real time strategy with physically simulated units and projectiles.
  
• 100+ varied units with abilities including terrain manipulation, cloaking and jumpjets.
  
• 70+ mission galaxy-spanning campaign to be enjoyed solo or co-op with friends.
  
• Challenging, (non-cheating) skirmish AI and survival mode.
  
• Multiplayer 1v1 - 16v16, FFA, coop. ladders, replays, spectators and tournaments.
  
• PlanetWars - A multiplayer online campaign planned to start in May.
  
• Really free, no paid advantages, no unfair multiplayer.

Fully Utilized Physics

• Use small nimble units to dodge slow moving projectiles.
  
• Hide behind hills that block weapon fire, line of sight and radar.
  
• Toss units across the map with gravity guns.
  
• Transport a battleship to a hilltop - for greater views and gun range.

Manipulate the Terrain

• Wreck the battlefield with craters that bog down enemy tanks.
  
• Dig canals to bring your navy inland for a submarine-in-a-desert strike.
  
• Build ramps, bridges, entire fortress if you wish.
  
• Burn your portrait into continental crust using the planetary energy chisel.

Singleplayer Campaign and Challenging AI

• Explore the galaxy and discover technologies in our singleplayer campaign.
  
• Face a challenging AI that is neither brain-dead nor a clairvoyant cheater.
  
• Have some coop fun with friends, surviving waves of chicken-monsters.
  
• Cloaking? Resurrection? Tough choices customizing your commander.

Casual and Competitive Multiplayer

• Enjoying epic scale combat? Join our 16v16 team battles!
  
• Looking for a common goal? Fight AIs or waves of chicken-monsters.
  
• Prefer dancing on a razor's edge? Play 1v1 in ladder and tournaments.
  
• Comebacks, betrayals, emotions always running high in FFA.
  
• Want to fight for a bigger cause? Join PlanetWars, a competitive online campaign with web-game strategic elements, diplomacy and backstabbing (currently on hiatus pending an overhaul).

Power to the People

• Do what you want. No limits to camera, queue or level of control.
  
• Paint a shape, any shape, and units will move to assume your formation.
  
• Construction priorities let your builders work more efficiently.
  
• Don't want to be tied down managing every unit movement? Order units to smartly kite, strafe or zig zag bullets.

Plenty of Stuff to Explore (and Explode)

• Learn to use all of our 100+ units and play on hundreds of maps.
  
• Invent the next mad team-tactics to shock enemies and make allies laugh.
  
• Combine cloaking, teleports, shields, jumpjets, EMP, napalm, gravity guns, black hole launchers, mind control and self-replication.
  
• Tiny flea swarm that clings to walls?
  
• Jumping "cans" with steam-spike?
  
• Buoys that hide under water to ambush ships?
  
• Mechs that spew fire and enjoy being tossed from air transports?
  
• Carrier with cute helicopters?
  
• Jumping Jugglenaut with dual wielding gravity guns?
  
• Meet them in Zero-K!

• OS: Ubuntu 13.04 or equivalent
• Processor: 2.0 GHz dual core CPU with SSE (Intel Core 2 Duo or equivalent)Memory: 4 GB RAM
• Memory: 4 GB RAM
• Graphics: 512 MB graphics card with OpenGL 3 support (GeForce 8800 or equivalent)
• Storage: 6 GB available spaceAdditional Notes: 64bit only. Big Picture mode is not supported

• OS: Ubuntu 17.10 or equivalent
• Processor: 3.0 GHz quad core CPU (Intel Core i5 or equivalent)Memory: 8 GB RAM
• Memory: 8 GB RAM
• Graphics: 2048 MB graphics card with OpenGL 3 support (high GT 500 series or equivalent)Network: Broadband Internet connection
• Storage: 8 GB available spaceAdditional Notes: 64bit only. Big Picture mode is not supported