The Gradius (グラディウス, Guradiusu?, pronounced: Grah-dee-us) games, first introduced in 1985, make up a series of scrolling shooter video games published by Konami for a variety of portable, console and arcade platforms. In many games in the series, the player controls a ship known as the Vic Viper. In other games of the series, ships the player controls include the Lord British Space Destroyer, Metalion, Sabel Tiger, Thrasher, Vixen, Alpinia, Super Cobra, Jade Knight, and the Falchion β.

Gradius II (グラディウスII GOFERの野望, Gradiusu Tsū: Gofā no Yabō, Gradius II: Gofer's Ambition), known on the Nintendo Family Computer as simply Gradius II (グラディウスII, Gradiusu Tsū) and as Vulcan Venture in Arcades in Europe, is a horizontally-scrolling shooter originally released for the arcades in Japan in 1988. It is the sequel to original Gradius and was succeeded by Gradius III: From Legend to Myth. Ports of Gradius II were released for the Nintendo Family Computer, PC-Engine Super CD-ROM², and the Sharp X68000 in Japan. The original arcade version is also included in the Gradius Deluxe Pack compilation for the PlayStation and Sega Saturn and in Gradius Collection for the PlayStation Portable.

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Gyrodine (ジャイロダイン, Jairodain) is a top-down vertical helicopter scrolling shooter for the Nintendo Entertainment System/Family Computer, MSX and arcade developed by Crux and published by Taito in 1984.