Is Ultimate Zombie Defense co-op?

Yes, Ultimate Zombie Defense supports co-op.

Does Ultimate Zombie Defense have PvP?

Steam does not list PvP for Ultimate Zombie Defense.

Do we both need to own Ultimate Zombie Defense to play together?

Yes. Ultimate Zombie Defense 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 Ultimate Zombie Defense?

About 15 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 Ultimate Zombie Defense multiplayer or co-op?

Yes — co-op. Ultimate Zombie Defense is a real-time strategy game released in 2020, 86% positive on Steam (3,188 reviews), with 15 playing right now. $1.99 on Steam.

Co-opSingle-player tooStrategy · Real-time strategy

Team up or face it alone in this top down zombie slaying defense adventure! Featuring up to 4 player online co-op, cleanse the infected wave by wave and…

How Ultimate Zombie Defense plays with friends, according to Steam

Online co-op: Yes
Local / split-screen co-op: Not listed on Steam
Online PvP: Not listed on Steam
LAN play: Not listed on Steam
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: Action, Casual, Zombies, Online Co-Op, Tower Defense, Strategy, Gore, Adventure

Do you and a friend both own Ultimate Zombie Defense?

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

Quick answers

Is Ultimate Zombie Defense co-op?: Yes, Ultimate Zombie Defense supports co-op.
Does Ultimate Zombie Defense have PvP?: Steam does not list PvP for Ultimate Zombie Defense.
Do we both need to own Ultimate Zombie Defense to play together?: Yes. Ultimate Zombie Defense 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 Ultimate Zombie Defense?: About 15 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