Closing or minimizing their North American offices isn't necessarily a guarantee that Level-5 will no longer release games outside of Japan. In the past few years they've tried self-publishing their games, but consider that many of their biggest properties were published by Nintendo (Professor Layton, Yo-Kai Watch) or Bandai Namco (Ni No Kuni). It might be better for Level-5 to continue to look to outside publishers for worldwide releases rather than self-publish, especially since they seem so insistent on making every game franchise into a big multimedia IP with tie-in manga and anime, which