Saihate no Okeanides: Kyokai no Daimoshin Announced for Steam Release on July 16, 2026

TIFONSTUDIO announced Saihate no Okeanides: Kyokai no Daimoshin for Steam on July 16, 2026, and opened the store page. The roguelike defense game tasks players with protecting the all-female Ark “GFM Okeanos” while uncovering mysteries tied to the “Abyssal Daimoshin.”