Does Zero-K have PvP?

Yes, Zero-K has player-versus-player modes.

Do we both need to own Zero-K to play together?

Yes. Zero-K is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.

How many people play Zero-K?

About 96 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up — what game do we play?Compare two Steam libraries →

Multiplayer games › Strategy › Real-time strategy

Is Zero-K multiplayer or co-op?

Yes — co-op and PvP. Zero-K is a real-time strategy game released in 2018, 94% positive on Steam (3,922 reviews), with 96 playing right now. Free on Steam.

Co-opPvPSingle-player tooStrategy · Real-time strategy

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…

How Zero-K plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Yes
LAN play: Not listed on Steam
Cross-platform multiplayer (Windows / Mac / Linux): Yes
Single-player mode: Yes

Steam's own category list for the game, as of 2026-09-09. "Not listed" means the store page does not claim that mode; community mods or Remote Play can still add it.

Steam tags: Strategy, Free to Play, RTS, Indie, Simulation, Multiplayer, Real-Time, Singleplayer

Do you and a friend both own Zero-K?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether Zero-K is one of them — then helps you pick tonight's game with a weighted roll or a bracket.

Or open the Steam store page.

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Age of Empires IV: Anniversary Edition

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Age of Empires III: Definitive Edition

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Foxhole

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STAR WARS™ Empire at War - Gold Pack

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Tired of Zero-K? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is Zero-K co-op?: Yes, Zero-K supports co-op.
Does Zero-K have PvP?: Yes, Zero-K has player-versus-player modes.
Do we both need to own Zero-K to play together?: Yes. Zero-K is played online, so each player needs their own copy on their own Steam account (or PC Game Pass where it is offered). Steam Families can share a library, but two people cannot play the same shared game at the same time.
How many people play Zero-K?: About 96 players were in-game when this page's data was last refreshed (2026-09-09).

Ready Up is a free tool: enter two Steam usernames and it lists the multiplayer games you both own, runs a bracket to pick one, and suggests new co-op games that fit how you both play. Ratings, tags and player counts from Steam and SteamSpy; page updated 2026-09-23. Powered by Steam — not affiliated with or endorsed by Valve Corporation or Microsoft. Ready Up is a Somebody Decide program. How the data works · Legal & privacy · All types · Game Pass