Shingeki no Kyojin in the Dome: Heishi-tachi no Hoshizora
English name: Attack on Titan in the Dome: Soldiers' Starry Sky
Type: Movie, Episodes: 1
Aired: May 20, 2017
Source: Manga
Rating: R - 17+ (violence & profanity)
Synopsis:
A planetarium film screened originally at the Konica Minolta Planetarium "Tenku" in the Tokyo Sky Tree and then later on May 27th at the Konica Minolta Planetarium "Manten" in Sunshine City (a commercial building complex in  Ikebukuro).

The film is entirely CG and was done through the game engine Unity.