Overview

• The Red Strain is confirmed as Atomfall’s second story expansion with a release date of September 16, 2025.
• A brief teaser shows crimson plant infestations and a human-brained robot tied to an organisation called CORE.
• Trailer materials list platforms as PC, PS5, PS4, Xbox Series X|S, and Xbox One.
• Public information remains limited beyond a promise of a “highly confidential new location” and additional mysteries.
• This DLC follows June’s Wicked Isle add-on and builds on the main game’s warmly received March 2025 launch.