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Stronghold 4 is developed and published by FireFly Studios, the team behind the Stronghold series. The studio has framed the project as an attempt to capture the spirit of classic strategy games while adding the modern features players now expect, bringing medieval immersion to the front of the experience.
The game marks the series' move to a modern engine, Unreal Engine 5, while keeping the classic raised, top-down viewpoint that the series is known for. This technical leap underpins the larger maps, the more detailed world, and the dynamic weather and lighting. The move also returns the series to fully 3D worlds, building on the direction of its more recent entries while preserving the familiar overhead camera.
FireFly has said Stronghold 4 entered development around 2022, when the studio set up two internal teams: one building the 3D Stronghold 4 in Unreal Engine, and another working in Unity on the studio's separate 2D projects. That split let the 3D team focus on the visual scale of walls, troops, and the natural world.
Announcement and release
Stronghold 4 was revealed at the PC Gaming Show on June 7, 2026, the first mainline Stronghold in five years. A free public demo launched on June 23, 2026 during Steam Next Fest, giving players their first hands-on with the game. FireFly plans to launch into early access in 2026 and has suggested it expects to spend around six months there, refining the game with player feedback before a full release. That window could change. Early hands-on previews describe the demo as offering one economy-focused mission and one military-focused mission, with the campaign's story content held back for the full release.
Studio head Nick Tannahill framed the goal as letting players feel the impact of a living medieval world on their castle economy and siegecraft. The reveal landed well with the audience: by the time the demo arrived, the game had passed 250,000 wishlists. Players who want to know whether their PC can run it can check the system requirements.
Story and sound
The cinematic campaign is brought to life by a voice cast that includes Ben Starr, Samantha Béart, Walles Hamonde, and Harry McEntire, with an original score composed by Robert L. Euvino.