It seems Square Enix wants to party hard. Party in the sense of work longer hours. Today, the company filed three new titles in the US Patent Office for Party Castle, Sigma Harmonics and Song Summoner. Party Castle, is the English name of Itadaki Street DS and that means that it’ll be popping up in North America and Europe sometime soon. As for the other two titles, we received a tip stating that the games are a type of sing-a-long game and musical composition game where the player’s objective is to: SURPRISE! Make music.Three New Square-Enix Titles Emerge