What is assassin's creed mirage?

Unfortunately, as an AI language model, I do not have information about a video game named "Assassin's Creed Mirage." It could be possible that the game does not exist or has not been announced yet. However, the franchise "Assassin's Creed" is a series of historical action-adventure video games developed and published by Ubisoft. The games feature an open-world structure and revolve around a secret order of assassins who fight against their enemies to maintain the balance of the world. The series has been well-received by gaming enthusiasts and has significant commercial success.