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Only today the game "Mirage Arcane Warfare" is free in Steam. Normally the game cost 27,99 €. After this offert the game past to cost 7,99€. The game was released on 23 May 2017.
http://store.steampowered.com/app/368420/Mirage_Arcane_Warfare/
Description of the game:
Mirage is a multiplayer FPS based on abilities that allows you to dismember your enemies with the most destructive magic and melee combat. Experience and find your favorite game style with the six character classes at your disposal, including stealthy killers, burly savages, powerful mages and many more. With its unique focus on feeling real control over magic and sword, Mirage is an innovative challenge for players and requires creativity in combat.