Steel Diver (スティールダイバー) is a video game for the Nintendo 3DS. The game is a side-scrolling action game in which the player controls a submarine via a set of touch-screen based levers and wheels. Shigeru Miyamoto described it as being "almost like you have your own submarine pet in an aquarium". The game is followed up by a download-only, free-to-play entry called Steel Diver: Sub Wars.