GSC Game World has announced that S.T.A.L.K.E.R. 2: Heart of Chornobyl’s first major expansion, S.T.A.L.K.E.R. 2: Cost of Hope, releases on August 20, 2026. The DLC launches at the same time as the game’s Update 2.0, which is free for all owners of the base game. Across the reports, the expansion is described as adding new story content and additional areas to explore, along with new weapons and factions. One source specifies that the expansion centers on the protagonist Skif, who follows a “mysterious PDA signal” as the Duty and Freedom factions come into conflict.

The accompanying Update 2.0 is presented as a broad technical and content update. It includes major performance and visual improvements and, according to one outlet, moves the base game to a newer version of Unreal Engine 5. Another outlet characterizes the release as a paid DLC arriving alongside the free update, with GSC Game World also highlighting new allies and enemies and promising substantial playtime.

The announcement is supported by release-date and gameplay trailer coverage from the outlets.