Atomic Heart – Official ‘Calamity’ DLC 4 Teaser Trailer

Check out the ‘Calamity’ DLC 4 Teaser Trailer for Atomic Heart, the hit first-person action shooter developed by Mundfish. Check out the brief teaser for the latest DLC installment that sees P-3 and the Twin venturing into Facility 3826’s most classified complex to face CHAR-les in the battle for the world’s fate. DLC 4 marks the final content update for Atomic Heart, launching in Spring 2026 for PlayStation 4 (PS4), PlayStation 5 (PS5), Xbox One, Xbox Series X|S, and PC (Steam).