Helios Production, French indie studio, unveils today four maps of its shooter game: Black Day. Black Day offers a sandbox solo tactical stealth experience you can tweak at will. In Black Day, players will have the choice between 6 missions in various environments, with customizable settings (Day / Night, equipment, number and types of enemies) with different difficulties settings going from a fun stealth to a very challenging mission. https://www.youtube.com/watch?v=AwZMu4vB7UQ Developers: Helios Production