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DecayZ Origin

In remote mountains of Thailand, a secret government laboratory becomes ground zero for a deadly virus. As the virus ravages the surrounding villages, the government imposes martial law, but it's too late. The virus claims thousands of lives in just one week, leaving no hope for a cure or vaccine.

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Release Date:

Jun 2, 2025

Developer:

KillHero

Publisher:

KillHero

	Interface	Full Audio	Subtitles
English	✔	✔	✔
German			✔
Spanish - Spain			✔
Arabic			✔
Russian			✔
Simplified Chinese			✔
Thai			✔
Traditional Chinese			✔

Early Access Game

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Note: Games in Early Access are not complete and may or may not change further. If you are not excited to play this game in its current state, then you should wait to see if the game progresses further in development. Learn more

What the developers have to say:

Why Early Access?

“The Early Access version of DecayZ Origin will be playable and relatively stable, with most features included.”

Approximately how long will this game be in Early Access?

“DecayZ Origin will be in development for at least 1-3 year during Early Access and to complete all planned features and content. However, additional community requests and ideas might shift the final release date.”

How is the full version planned to differ from the Early Access version?

“We are planning to add extra content after you finish the main story, such as New Game+, Extra Mode, ETC.”

What is the current state of the Early Access version?

“DecayZ Origin will be fully playable through the completion of the main story.

- Story Puzzles
Solve environment-based puzzles integrated into the main storyline. These challenges test your logic and observation, unlocking new areas and secrets.

- Upgrade Weapon
Enhance your gear to increase damage, improve clip size, and unlock special abilities.

- Craft Ammo and Health
Collect resources to craft various types of ammunition and health items essential for survival.

- Map System
Use a detailed map to track objectives, mark locations, and explore key areas. The map updates as you discover new zones, making navigation intuitive and strategic.

- Quest Guide Line
Follow a clear quest guide system that helps you stay on track with main objectives. Waypoints and journal entries keep you informed of your progress and goals.”

Will the game be priced differently during and after Early Access?

“The price of DecayZ Origin will remain the same, but I still want to say 'Thank You' to the community for supporting me during the early development phase.”

How are you planning on involving the Community in your development process?

“I encourages the community to post their comments, ideas, feature requests and bug reports directly on our facebook fan page.”

Check out the entire DecayZ Origin collection on Steam

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$19.99

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About This Game

“You’re the one holding the gun… But the boss? He rides on your shoulder.”

DecayZ Origin is built with Unreal Engine 4 and will expand throughout the Early Access period

Prologue:

In the remote mountains of Thailand, a top-secret government laboratory becomes ground zero for a deadly virus that spreads with the ferocity of a wildfire. As the virus ravages the surrounding villages, the government imposes martial law, but it's too late. The virus claims thousands of lives in just one week, leaving no hope for a cure or vaccine.

As the infected slowly die and rise again as mutations, the government keeps their disappearance under wraps, and the project is abandoned, forgotten, and left to the virus's mercy.

However, 20 years later, the virus has spread beyond the isolated mountains, and the world is gripped in a pandemic that leaves no hope. The government, desperate for a cure, seeks foreign aid and dispatches a first expedition team to contain the outbreak, but they disappear without a trace. The second expedition team is sent in to find the source of the virus. However, as the team ventures back into the mountains, they realize that the virus has evolved, adapted, and become far more terrifying than anyone ever imagined. What they find there will test their will to survive and may mean the end of humanity as we know it.

Mature Content Description

The developers describe the content like this:

This Game may contain content not appropriate for all ages, or may not be appropriate for viewing at work: Frequent Violence or Gore, General Mature Content

System Requirements

Minimum:

OS: 64-bit Windows 10
Processor: Intel Core i5-6600 (3.3Ghz) or AMD Ryzen 5 1400 (3.2Ghz)
Memory: 16 GB RAM
Graphics: AMD Radeon RX 560 with 4GB VRAM ／ NVIDIA GeForce GTX 1050 Ti with 4GB VRAM
DirectX: Version 11
Storage: 30 GB available space

Recommended:

OS: 64-bit Windows 10
Processor: Intel Core i7-8700 (3.2Ghz) or AMD Ryzen 5 3600 (3.6 Ghz)
Memory: 16 GB RAM
Graphics: NVIDIA GeForce 1080 Ti or AMD Radeon RX 5700 XT or INTEL Arc A770
DirectX: Version 11
Storage: 30 GB available space

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