Standoff (2018)

Standoff Multiplayer (previously titled Active Shooter) is a first person shooter video game developed by Russian video game developer Anton Makarevskiy and publisher Ata Berdyev, working under the names Revived Games and Acid Publishing Group. It was first scheduled for release on June 6, 2018 through the Steam distribution platform. After Valve removed the publisher from the platform, the developer released the game independently