any real danger or consequence and lived nearly their entire lives in space. Over 160 Graphene Display Unit entries were written in the form of e-mails between characters, diaries, and secret government communications to help explain the back-story. This world building device was a hidden narrative, with players having to complete a level, then scroll back to the level they had just completed and click a newly-appeared cube on the level's image. The difficulty in discovering this without a tutorial led some players to confusion and misunderstanding of crucial plot points, technology, and the nature of the game's antagonist. Music The background music was composed by Kevin Penkin and performed by the Eminence Symphony Orchestra, while boss battle tracks were composed by Taku Sakakibara of Beatmania fame and performed by his symphony orchestra gaQdan. Mixing was handled by two-time Grammy Award winner John Kurlander of The Lord of the Rings Trilogy fame. The ending theme song was composed by Kevin Penkin with vocals provided by Donna Burke. The additional track "Waiting for you to die" was composed and performed by Alpha Legion. Related media A 90-minute anime film is currently underway, entitled Implosion: Zero_Day, which acts as a prequel to the game and showcases the invasion of Earth and how Jake's uncle survived. The film explores the points that the game did not expand on, such as what the XADA really are and the real reason they hunted down humanity. A 150-page Data_Book published by Rayark Inc. contains otherwise unreleased art and stories from the lives of the game characters. Reception Implosion received universal acclaim from critics for the iOS version, and possesses an aggregate score of 93 out of 100 on Metacritic. Shaun Musgrave of TouchArcade rated the game 5/5 stars, calling it "a well designed game with enjoyable progression, fun customization, and fairly deep mechanics", and saying that he is "head over heels for Implosion". Harry Slater of Pocket Gamer rated the game 9/10 and gave it the Pocket Gamer Gold Award, calling the graphics "impressive" and the control system "brilliant", while calling the story of the game "not the most original [...] in the world". Rob Rich of 148Apps rated the game 4.5/5 stars, saying that while the game "makes some bold claims", it "actually lives up to expectations", and calls it a "blast to play". The Nintendo Switch version has accumulated an aggregate score of 74