The Caligula Effect: Overdose is a role-playing game developed by FURYU Corporation and Engine Software BW. Originally released in 2016 as The Caligula Effect, this new version of the game is published by NIS America, Inc. The world of  The Caligula Effect: Overdose is set in Mobius, a paradise created by a Vocaloid named Mu. In Mobius, you can forget all of your problems and live through high school in a constructed fantasy. Your objective is to escape Mobius and get back to reality. The Caligula Effect: Overdose offers new and improved graphics, as well as a new protagonist. If you want a nice game with a reality-bending plot, The Caligula Effect: Overdose is worth checking out.