Here is an overview of the game, via THQ Nordic:
Who is the Last Ronin? In a future, battle-ravaged New York City, a lone surviving Turtle embarks on a seemingly hopeless mission seeking justice for the family he lost. From the minds of the creators of the Teenage Mutant Ninja Turtles, and based on the best-selling comic book event by Eastman, Waltz, Bishop, Delgado, and the Escorza Brothers: the official video game adaptation of Teenage Mutant Ninja Turtles: The Last Ronin.
Watch the announcement trailer below.