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Downloadable Content

This content requires the base game Zombie Killer on Steam in order to play.

Buy Overkill Protocol

 

About This Content

Zombie Killer brings intense multiplayer zombie survival action where every kill counts!

Key Features:

• Competitive Multiplayer - Team up with friends or compete against other players in heart-pounding zombie survival matches

• Global Leaderboards - Track who's killing the most zombies and climb to the top of the rankings

• Diverse Arsenal - Discover multiple creative ways to eliminate the undead horde

• Automatic Turret System - Unlock powerful auto-turrets when you reach Wave 3 to turn the tide of battle

• Wave-Based Survival - Fight through increasingly difficult waves of zombies

• Strategic Gameplay - Choose between active combat or strategic turret placement

In Zombie Killer, you'll face relentless waves of the undead in a multiplayer environment where your skills are constantly being measured. Compete with other players to see who can rack up the highest zombie kill count, displayed on our real-time leaderboards.

As you progress through the waves, you'll unlock the game-changing automatic turret system at Wave 3. These turrets provide automated firepower, letting you focus on other threats or set up devastating defensive positions. Master the art of combining your weapons with strategic turret placement to maximize your kill count.

Whether you prefer going in guns blazing or taking a more tactical approach with turrets and traps, Zombie Killer offers varied gameplay to suit your style. Every zombie eliminated brings you closer to the top of the leaderboard - do you have what it takes to become the ultimate zombie killer?

AI Generated Content Disclosure

The developers describe how their game uses AI Generated Content like this:

For store graphics I use AI

Mature Content Description

The developers describe the content like this:

Zombie Killer - Overkill Protocol contains mature themes including intense violence, graphic depictions of combat, and zombie dismemberment. The game features strong horror elements, blood, and gore typical of zombie shooter games. Players should expect realistic violent acts, bodily injury, and dark atmospheric settings suitable for adult audiences. This DLC does not feature sexual acts, sexual assault/non-consensual sex, BDSM, drug/alcohol abuse, or self-harm.

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10
    • Processor: Intel Core i3
    • Memory: 4 GB RAM
    • Graphics: NVIDIA GTX 660
    • Storage: 2 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
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