'' Yoshi 's Woolly World '' was first announced by Nintendo CEO Satoru Iwata on January 23 , 2013 under the tentative title '' Yarn Yoshi . '' The game was stated to be in development by Good-Feel with game designer Takashi Tezuka supervising the project . The game was absent from E3 2013 , but was playable at E3 2014 , where it was given a tentative release time frame of " the first half of 2015 . " The soundtrack was handled by Good-Feel composers Tomoya Tomita ( now freelance ) and Misaki Asada , with the exception of the main theme , which was written by Nintendo 's Kazumi Totaka
E3 2014
E3 2014
Yoshi's Woolly World