of the soundtrack was released by TEAM Entertainment on 21 December 2016. In addition, a two-disc vinyl LP edition was published by iam8bit in 2017. Release Shawn Layden formally reintroduced The Last Guardian at the beginning of Sony's E3 2015 conference. Sony affirmed that that game was now slated for release on the PlayStation 4 with a 2016 release date. Sony also assured fans that Ueda still remained a main developer of the game despite his prior departure from Sony. According to Chris Plante of Polygon, the gameplay presented shows the same gameplay from previous demos, where the young boy and the large creature work together to solve various platforming puzzles. The presentation at E3 2015 was based on the milestone of the game being fully playable, affirmed by selected members of the press, though Yoshida stated they did not do a live gameplay demo as the artificial intelligence behavior of the animal creature could be sporadic and impact the demonstration. Ueda said that the fundamentals of the gameplay had not changed from the original PlayStation 3 version to the PlayStation 4, only that with the more-powerful PlayStation 4, they were able to put more detail into the characters and the environment. Though the game demo was not playable at the 2015 Tokyo Game Show, part of Sony's display for the game including a full-screen version of Trico that would respond in real time to the actions of the attendees as captured by a PlayStation Move camera. Yoshida stated that they had not shown much additional footage of the game since the E3 2015 announcement as they believed that The Last Guardian is story-heavy and feared showing too much beyond that the game does exist and is playable. The Last Guardian was announced for a 25 October 2016 release in Japan and North America during Sony's presentation at E3 2016 in June, and was available in a playable form to attendees. In an interview with Kotaku during E3 2016, Ueda commented that the game was fully complete, and the only work remaining was fine-tuning visuals and cut-scenes. A short delay was announced in September 2016, pushing the title back to early December 2016 release, as the developers needed more time to fix bugs that had come up during the final production of the game, according to Yoshida. By 21 October 2016, development of The Last Guardian concluded and the game