Indie Leveloper Zenovia Interactive announced the release date of STEEL Assault and released the trailer. This work is a 2D wire action fighting with a japline that is also a characteristic of this work, in addition to punching, much, sliding, two-stage jumps, in addition to the generals of the main character Tarou and Takahashi. In February 2021, we also exhibited at the STEAM Game Festival, and we also delivered the Play Repo in the Game Spark editorial department. The newly released trailer can see the scene that makes use of the main character s past and future battle, and the stage and light wire action drawn with 16-bit style graphics, and the scene that make full use of the zipline. Steel Assault is scheduled to be released on September 30 by a Nintendose switch (tax included). STEAM is scheduled to be released on September 28 by Japanese language response, but the price is not clear.