Extinction Day is a doomsday simulator where you wipe out humanity using disasters, diseases, wars, and other catastrophic events. Spread chaos worldwide, combine catastrophes for maximum destruction, and crush humanity's efforts to survive in this game of world-ending mayhem.
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Release Date:
Q3 2025
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Coming Soon To Early Access

The developers of this game intend to release as a work in progress, developing with the feedback of players.

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?

“Making good game design is hard. We have many hypotheses about what players want and what defines "fun," but we don’t have all the answers. By putting the game in players' hands as early as possible and gathering their feedback, we can refine our design and adjust our roadmap accordingly. In the end, a game is only truly great when there’s a general consensus from the player base, not just what “the devs think.””

Approximately how long will this game be in Early Access?

“About a year or so.”

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

“We plan to add more game modes and scenarios, new abilities and expanded tech trees. The roadmap may change based on player feedback.”

What is the current state of the Early Access version?

“It’s solid and polished. This is not a rushed Early Access release; the game has been in development for two years and offers both a full campaign and a sandbox mode.

All features listed in the "About" section are included in the game. We also plan to add more content based on player feedback. The build may have occasional bugs or technical issues, but we will do our best to resolve them promptly.”

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

“No, the price will remain the same.”

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

“We will actively engage in the Steam Community Hub forums and as well on Discord to gather feedback to better understand how the community wants the game to evolve.”
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Planned Release Date: Q3 2025

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About This Game

UNLEASH DESTRUCTION ON AN EPIC SCALE

Our unique technology simulates over 80,000* humans simultaneously on screen as you deploy devastating plagues, natural catastrophes, global conflicts and more tragedies. Designed using real-world data for an authentic simulation of humanity’s downfall.

MORE THAN JUST A 2D SIMULATION 

Watch disasters unfold in real-time, dynamically evolving and spreading based on your strategic choices. Combine different disasters to create chain reactions and watch civilization collapse before your eyes. Humanity won't go down without a fight.

MULTIPLE WAYS TO END THE WORLD

Experience a story-driven campaign with varied extinction scenarios, or test your strategic prowess in challenging game modes. With dozens of hours of replayable content, every playthrough offers new strategies to discover.

​​​SANDBOX MODE

Want pure destructive freedom? Sandbox mode removes all restrictions, letting you unleash any combination of disasters at will. Create your own scenarios and experiment with different doomsday combinations.


​*Number may be lower depending on players' hardware.

AI Generated Content Disclosure

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

-We use AI to help translate content in multiple languages.
-Minor touchup on images and textures.
-Brainstorming

System Requirements

    Minimum:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10/11 (64-bit)
    • Processor: AMD Ryzen 5 1600 / Intel Core i5-8400
    • Memory: 8 GB RAM
    • Graphics: AMD RX 550 4 GB VRAM / NVIDIA GTX 1050Ti 4 GB VRAM
    • Storage: 2 GB available space
    Recommended:
    • Requires a 64-bit processor and operating system
    • OS: Windows 10/11 (64-bit)
    • Processor: AMD Ryzen 7 3700x / Intel Core i7-10700
    • Memory: 16 GB RAM
    • Graphics: AMD RX 5700 8 GB VRAM / NVIDIA 2060 Super RTX 8 GB VRAM
    • Storage: 2 GB available space
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