REFLEXIA Prototype ver. is an adventure game developed by mahoumaiden for Windows. The game follows the story of a protagonist who is transported into a visual novel and is now required to entertain the reader with her thoughts and actions. The game features love interests, including characters with unique names like Yandere-chan and Dandere-chan, and over 200 choices that affect the storyline. The game has three different endings, and the player is not forced to read all of them to understand the plot. The game's resolution is 640x480, and the music is similar to that of Yume Nikki. The game is a prototype version of the REFLEXIA VN, and it can also be considered a remake.