Annihilation Instinct is included in the Atomic Pass, Gold and Premium Edition.
Requires the base game Atomic Heart to run.
Continue the story in Atomic Heart’s Annihilation Instinct DLC and embark on a journey through the new mind-bending Mendeleev Complex to discover the truth about NORA as P-3 is pulled back into Facility 3826. Survive vicious, shape-shifting new enemies in the Mendeleev Complex and its diverse area and take them down with two new cunning weapons and a new astounding Technostasis ability for your glove.
Visit the Mendeleev Complex and its surrounding swamps, a new area of Atomic Heart’s twisted, dystopian world
Fight against new shape-shifting types of machines and a brand-new boss
Unlock two new weapons: the Secateur - a ranged weapon with 2 firing modes - and the Klusha - a melee weapon that can slash and pierce
Enhance your polymeric glove with the new Technostasis ability, allowing you to manipulate time itself!
Additional notes: SSD recommended, 60 FPS, 1920x1080 in ultra
To activate the game, you need a Steam Account
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2025-12-13
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