You must own the original Mirror on Steam to play the DLC.

Some versions of the game are listed as free to download on platforms like AppBrain and Uptodown , though these versions may contain ads or require in-app purchases to unlock all features. How to Download (Full Version)

Neither the base game nor the Mirror: The Lost Shards DLC is free. The DLC typically retails for approximately $1.99 on the Steam Store .

To access the 4 new DLC characters (Leah, Maffeka, Hill, and Madoka), you must first complete the stories of the 8 classic characters from the original game. Content Overview Mirror: The Lost Shards Price history - SteamDB