Back to calendar Developer · 3 games Buff Studio Co.,Ltd Role-playing (RPG) Action Adventure Watch company Sign in or create a free account to watch this company Sign in Favorite Sign in or create a free account to save your favorite companies Sign in Also a publisher: see the games it published Games 3 Released games (3) MOBILE 2017 Mystic Guardian Mystic Guardian Android MOBILE 2016 7Days! 7Days! Android 2015 Buff Knight Advanced Buff Knight Advanced PC PS4 Mac