Nano Assault is a fast-paced shooter game developed by Shin'en Multimedia for the Nintendo 3DS. Released in 2011, the game is set within the microscopic world of a deadly virus. Players control a nanite ship tasked with destroying the virus and saving humanity. It features a combination of 3D graphics and top-down shooting mechanics, offering a unique visual experience. The game consists of numerous levels, each with its own challenges and pathogens to overcome. As a shooter that blends science fiction elements with intense gameplay, it falls under the arcade shooter genre and is known for its challenging gameplay and stunning visuals that exploit the 3D capabilities of the handheld console.