Muv-Luv is a Japanese visual novel developed by âge and originally released as an adult game for Windows on February 28, 2003. Consisting of two parts, Muv-Luv Extra and Muv-Luv Unlimited, the gameplay in Muv-Luv follows a branching plot line, which offers alternate scenarios and courses of interaction, focusing on the differing scenarios of the female main characters. Muv-Luv was followed by a sequel, Muv-Luv Alternative, which was released for Windows on April 24, 2006, and follows the storyline of Muv-Luv Unlimited.