ONTOS, a science-fiction horror adventure from Frictional Games, revealed its first gameplay trailer during Gamescom Opening Night Live, along with a planned 2027 release window and news that Stellan Skarsgård has joined the cast.
Watch the trailer
What the new trailer reveals
The trailer foregrounds psychological dread rather than conventional jump scares, including a moment where a human consciousness is uploaded to a server crafted from live rats. Players will navigate puzzles and branching storylines shaped by choices, with many scenarios offering no single right solution.
What we know about ONTOS
ONTOS was announced at The Game Awards. It is developed by Frictional Games, the studio behind SOMA and the Amnesia games, with Kepler Interactive serving as the publisher. Players assume the role of Aditi Amani, an engineer seeking truths about her father. The narrative unfolds inside the Samsara Hotel, a deserted site on the Moon. Stellan Skarsgård has joined the cast.
Release date and platforms
A 2027 release is planned for PlayStation 5, Xbox Series X/S, and PC via Steam.



