Gradius II: Gofer's Ambition

source: wikidata1988 arcade video game

source: wikipedia_enGradius II, retitled Vulcan Venture in North American arcades, is a 1988 horizontally scrolling shooter video game developed and published by Konami. It is the sequel to Gradius and was succeeded by Gradius III. Initially released in arcades, ports of Gradius II were released for the Family Computer (under the shortened title of Gradius II), PC Engine Super CD-ROM², and the 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.

source: wikipedia_ja『グラディウスII -GOFERの野望-』（グラディウスツー ゴーファーのやぼう、GRADIUS II）はコナミが開発し1988年3月24日に稼働開始したアーケードゲーム横スクロール型のシューティングゲーム。業務用アーケードゲームのシステム基板「TWIN 16」を使用した作品の第2弾。