Is SAS: Zombie Assault 4 co-op?

Yes, SAS: Zombie Assault 4 supports co-op.

Does SAS: Zombie Assault 4 have PvP?

Yes, SAS: Zombie Assault 4 has player-versus-player modes.

Do we both need to own SAS: Zombie Assault 4 to play together?

Yes. SAS: Zombie Assault 4 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 SAS: Zombie Assault 4?

About 205 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 › Shooter › Co-op horde shooter

Is SAS: Zombie Assault 4 multiplayer or co-op?

Yes — co-op and PvP. SAS: Zombie Assault 4 is a co-op horde shooter game released in 2017, 86% positive on Steam (9,112 reviews), with 205 playing right now. Free on Steam.

Co-opPvPSingle-player tooShooter · Co-op horde shooter

Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire…

How SAS: Zombie Assault 4 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
Controller: Full controller support

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: Free to Play, Zombies, Multiplayer, Top-Down Shooter, Action, Co-op, Shooter, Top-Down

Do you and a friend both own SAS: Zombie Assault 4?

Ready Up compares two Steam libraries and shows every multiplayer game you both have — including whether SAS: Zombie Assault 4 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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Tired of SAS: Zombie Assault 4? The Swap tab finds the closest unowned games of the same type that are newer or rated higher.

Quick answers

Is SAS: Zombie Assault 4 co-op?: Yes, SAS: Zombie Assault 4 supports co-op.
Does SAS: Zombie Assault 4 have PvP?: Yes, SAS: Zombie Assault 4 has player-versus-player modes.
Do we both need to own SAS: Zombie Assault 4 to play together?: Yes. SAS: Zombie Assault 4 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 SAS: Zombie Assault 4?: About 205 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