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.

<h1>New Demo For Steam Next Fest!</h1><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/e5f2b4d2071c505911741fd34be7740a.poster.avif?t=1770645956" width=780 height=438 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/e5f2b4d2071c505911741fd34be7740a.webm?t=1770645956" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/e5f2b4d2071c505911741fd34be7740a.mp4?t=1770645956" type="video/mp4"></video> <h1>About the Game</h1><img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/ee18a1506055a962031df10cb6bf1200.avif?t=1770645956" width=790 height=178 /><video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/dc675c3bc21f30ab8933d45a1479c3d3.poster.avif?t=1770645956" width=780 height=438 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/dc675c3bc21f30ab8933d45a1479c3d3.webm?t=1770645956" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/dc675c3bc21f30ab8933d45a1479c3d3.mp4?t=1770645956" type="video/mp4"></video>THE ULTIMATE DOOMSDAY SIMULATORExtinction Day lets you experiment with and combine multiple disasters in a variety of scenarios. From natural catastrophes to deadly diseases, full scale warfare, zombie invasions and more. With more than 12 unique disaster abilities, 20 scenarios, dozens of perks and 4 difficulty settings, it will keep you destroying humanity for many hours.​UNLEASH DESTRUCTION ON AN EPIC SCALEOur 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.<img class="bb_img" src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/06a437ddaf1c67b511e48a283e93f177.avif?t=1770645956" width=790 height=175 /> 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 WILL FIGHT BACK Get ready to be challenged as humanity tries to escape your wrath. Create deadly strategies and exert influence over humans in order to exterminate them before they find a path toward preserving the human race.​​​SANDBOX MODEWant 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.<video class="bb_img" autoplay muted loop playsinline poster="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/5d7c0df5417ce9acbfa37d0bfb06a433.poster.avif?t=1770645956" width=780 height=244 ><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/5d7c0df5417ce9acbfa37d0bfb06a433.webm?t=1770645956" type="video/webm; codecs=vp9"><source src="https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/2682380/extras/5d7c0df5417ce9acbfa37d0bfb06a433.mp4?t=1770645956" type="video/mp4"></video> ​*Number may be lower depending on players' hardware.

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Extinction Day Achievements