Boss Key is an indie, released 14 August 2026 on PC (Microsoft Windows).
What Boss Key is
Boss Key was released in 2026. It is available on PC (Microsoft Windows) only. It runs on Unity 2022.
How it plays
It is a single-player game with no multiplayer component. Available modes: Co-operative, Multiplayer, Single player and Split screen.
What it launched against
Boss Key launched on 14 August 2026, within three weeks of The Blood of Dawnwalker, Onimusha: Way of the Sword, Resonance: A Plague Tale Legacy and Mortal Shell II.
Released around the same time: The Blood of Dawnwalker, Onimusha: Way of the Sword, Resonance: A Plague Tale Legacy, Mortal Shell II.
Screenshots
All media
Quick answers
Boss Key — frequently asked questions
When did Boss Key come out?
Boss Key was released on 14 August 2026 for PC (Microsoft Windows).
If you like this
