The Odessa-based studio Chervona Kalyna (Red Viburnum Studio) presented a teaser for their debut project F20. It is a narrative single-player game in photorealistic style with a first-person view, in the genre of psychological combat survival horror. The main roles in it were played by military personnel Olexander Svyatov (known as Alex J. Saint) and Denis Quebec.

The game takes us to the events of the First World War, where the player, as an ordinary soldier of the British Expeditionary Force, will have to face all the horrors of war, meet with mysterious and inexplicable phenomena of supernatural origin, all natural human fears, find the truth in order to make the right choice because it depends not only our life…

The player is offered the opportunity to choose one of the three main military specialties: marksman, machine gunner, sniper with different gameplay depending on the specialization. The player will have the opportunity to create his own style of passing the game and fully feel the consequences of his actions.

The description of F20 indicates that Ukrainian military personnel Denis Quebec and Alex J. Saint are part of the game's cast.

Denis Quebec began his military career in 2014 as a volunteer in the Anti-Terrorist Operation (ATO). He served in the special operations forces regiment, was wounded, and was discharged from service in 2018. Since the beginning of the full-scale war, he has been participating in defending Ukraine from Russian aggression.

Olexander Svyatov, known as Alex J. Saint, is a native Ukrainian who has dedicated his life to the military cause. He trained and served in the military in America, becoming a sergeant in the US Army. He returned as a volunteer to Ukraine to defend it from occupiers.

The release of F20 is planned for 2026 on PC (Steam) and consoles including Xbox and PlayStation. The developers have also presented the game's system requirements, recommending to have 32 GB of RAM.