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Zero-K
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.
“RTS with the best quality of life features I've ever seen. Seriously, I am literally unable to play any other strategy game, because I am spoiled from Zero-K. Extremely good UX, good keybinds, units are really smart. Only thing that is still lacking a little bit is graphics, of…”
— a player, Steam review · 104 hrs played“So: start game Panic Don't know what to do make buldinig happy don't know how to build panic run commander at enemies commander dies rage quit overall great game”
— a player, Steam review · 42 hrs played“Great balance, thoughtful design. Community is full of normal people who have jobs and families and aren't ♥♥♥♥♥♥♥♥♥. Its UI is so good that I can't play other RTS games anymore.”
— a player, Steam review · 431 hrs playedPlayer activity
Monthly average concurrent players. Live count fetched 2026-07-11 12:18 UTC · history via SteamCharts.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Cold Take #44 - Choice vs. Automation
Automation means making tasks complete themselves without player intervention. The concept has a bit of baggage, at least in RTS, as people worry it means that a game will play itself. Some spin-off g
Zero-K v1.14.7.0 - Guard and Pulsing Balls
This update polishes a few mechanics and includes quite a few fixes. Singularity Reactors get their wobbly balls back and the guard command should be much more useful. Disarm no longer hard-disables j
Cold Take #43 - Levels of Customisation
Zero-K is extremely customisable, which is great but risks making the game unapproachable. The problem with customisation is that it asks players to optimise their own experience without necessarily g
Zero-K v1.14.6.0 - By Popular Demand
Space clicking wrecks and build options is back by popular demand ( https://github.com/ZeroK-RTS/Zero-K/issues/5742, https://github.com/ZeroK-RTS/Zero-K/issues/5747 and https://github.com/ZeroK-RTS/Ze
Cold Take #42 - Reclaimable Wrecks
The basic reclaim mechanic is as follows: units leave wrecks when they die, and these wrecks can be harvested by constructors for extra metal. This sounds like a simple enough mechanic, but the more I
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Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-05-20.
| Genres | Indie, Simulation, Strategy, Free To Play |
| Player tags | Strategy · Free to Play · RTS · Indie · Simulation · Multiplayer · Real-Time · Singleplayer · Co-op · Online Co-Op · Robots · Sci-fi (SteamSpy community voting) |
| Features | Single-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Cross-Platform Multiplayer · Steam Cloud |
| Languages | English * * |
| Estimated owners | 500,000 – 1,000,000 (SteamSpy) |
| Official site | https://zero-k.info |
Minimum system requirements (PC)
Minimum: Requires a 64-bit processor and operating system OS *: Windows 7, 8, or 10 Processor: 2.0 GHz dual core CPU with SSE (Intel Core 2 Duo or equivalent) Memory: 4 GB RAM Graphics: 512 MB graphics card with OpenGL 3 support (GeForce 8800 or equivalent); integrated cards may not work Storage: 6 GB available space