Zombie Army Trilogy Cover Art

Zombie Army Trilogy (v1.8.20.01)

Action 8.34 GB v1.8.20.01 10.3K views

Game Overview

The last days of World War II become a grotesque supernatural siege as Hitler’s final order raises an army of undead soldiers across ruined Europe. Zombie Army Trilogy packages the first two Nazi Zombie Army campaigns with a full third chapter, delivering 15 missions of bleak streets, burning villages, occult strongholds, and corpse-filled bunkers. Its mood lands somewhere between a B-movie horror spectacle and a tense co-op survival shooter: ridiculous in premise, but often genuinely stressful once the dead begin flooding every doorway. The result is a focused third-person action game built around holding impossible positions with friends.

Players push through linear but spacious combat arenas, scavenging ammunition, setting traps, and picking apart advancing hordes with rifles, shotguns, machine guns, explosives, and mounted defenses. Sniper shots are the main attraction, especially when a clean headshot triggers the series’ signature slow-motion X-ray camera to show bullets ripping through skulls, bones, and organs. Enemies do not simply shamble forward; armored brutes, snipers, flame-spewing undead, and occult monsters force teams to watch lanes, conserve special ammunition, and revive fallen allies under pressure. Every campaign supports solo play or online co-op for two to four players, while Horde Mode turns survival into an increasingly savage score-chasing endurance test.

What separates Zombie Army Trilogy from standard zombie shooters is its blend of deliberate sniper mechanics and relentless Left 4 Dead-style crowd control. Long-range accuracy matters, but the game never lets players settle comfortably into a sniper’s nest, constantly collapsing defenses with swarms and special enemies. Remastered early campaigns add a substantial amount of content, and the included Left 4 Dead character roster gives co-op squads a welcome bit of personality. Fans of Sniper Elite, Killing Floor, and arcade horror co-op will find a satisfyingly gory, challenging package here; newcomers can enjoy it too, provided they accept its old-school mission design and punishing higher difficulties.

Screenshots

Installation

  1. Select the Download button at the top of this page to open UploadHaven.
  2. On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
  3. When complete, extract the archive to a Zombie Army Trilogy folder using 7-Zip.
  4. Open the extracted folder and start the game normally.
  5. For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.

System Requirements

  • OS: Microsoft® Windows® Vista (Service Pack 2) or Windows® 7 or Windows® 8. Windows® XP is NOT supported.
  • Processor: Dual-core CPU with SSE3 (Intel® Pentium® D 3GHz / AMD Athlon™ 64 X2 4200) or better
  • Memory: 2 GB RAM
  • Graphics: Microsoft® DirectX® 10.0 compatible graphics card with 512 MB of memory (ATI Radeon™ HD 5870) or better
  • DirectX: Version 11
  • Storage: 15 GB available space
  • Sound Card: Microsoft® DirectX® 10.0 compatible sound card or better
  • Additional Notes: Windows® XP is NOT supported. Ensure graphics and audio drivers are up to date.
Last Updated
Status
Online
Looking for a newer update? Request an update
Skip the browser next time Browse, download, extract, and organize your games with the SteamUnlocked Launcher.
Get the Launcher

Setup Guide & Troubleshooting

How do I fix missing DLL errors for Zombie Army Trilogy (v1.8.20.01)?

After extracting Zombie Army Trilogy (v1.8.20.01), navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.

What should I do if the downloaded file is corrupted?

The full archive is 8.34 GB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.

Do I need to run the game as administrator?

Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.

How do I update my GPU drivers for this game?

Zombie Army Trilogy (v1.8.20.01) requires a Microsoft® DirectX® 10.0 compatible graphics card with 512 MB of memory (ATI Radeon™ HD 5870) or better or equivalent. Update your NVIDIA or AMD drivers to the latest version for the best performance.

The game won't launch — what should I try?

Check that extraction completed and your PC meets the system requirements, including Version 11. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.

My antivirus is blocking the game — is it safe?

A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.

Need more help? Browse our FAQ & Troubleshooting Guide for solutions to common issues.
Looking for something else? Explore all games on SteamUnlocked →
Saved to My Library View Library