- Steam pricePrice
- $4.99
- Release
- December 8, 2020
- Session GoalsGoals
- Modes
- Platforms
How co-op works
Up to four online players clear escalating waves and bosses from one shared defensive position. Between assaults they spend earnings on weapons and place fences, sandbags, wire, barriers, turrets, mines, and lights; during combat, the squad covers breaches and concentrates fire on specialized infected.
About this game
Ultimate Zombie Defense is a top-down survival game where up to four players work together online to fend off relentless waves of the undead. This is true cooperative play, with every teammate sharing the same goal: fortify your base, survive the onslaught, and cleanse the infected zone. Solo runs are possible, but the structure clearly favors teamwork.
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You'll spend each wave gunning down zombies from an overhead perspective, then invest your earnings into traps, barriers, and defensive upgrades between assaults. Coordination matters because placement, resource pooling, and covering weak flanks turn chaotic scrambles into tactical victories. The escalating difficulty keeps every session tense and rewarding.
Online co-op supports up to four players on Windows and Mac, making it easy to rally a squad for evening defense marathons. Voice chat or quick pings help enormously when you need to call out breaches or coordinate trap layouts. Sessions blend frantic shooting with strategic downtime, creating a rhythm that rewards both sharp aim and smart planning.
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Frequently Asked Questions
Can I play this solo, or do I need a full squad?
You can play solo, but the game is clearly designed with co-op in mind. Going alone is definitely harder since you'll need to cover all flanks and manage defenses by yourself. It's most enjoyable-and balanced-with at least two players.
How many players can team up online?
Up to four players can join together in online co-op. There's no local split-screen-only online multiplayer is supported.
Is voice chat or communication important for this game?
Yes, communication really helps. Coordinating trap placement, calling out breaches, and deciding where to spend resources makes a big difference as the waves get tougher. The game supports pings, but voice chat makes teamwork much smoother.
What happens between zombie waves?
Between waves, you get downtime to spend your earnings on traps, barriers, and base upgrades. This is when you'll plan your defenses with your team, reinforce weak spots, and prepare for the next assault.
Does the game work on Mac?
Yes, Ultimate Zombie Defense supports both Windows and Mac, so cross-platform co-op between the two should work without issues.