Gradius Generation

source: wikipedia_enGradius Advance is a horizontally scrolling shooter video game developed by Mobile21 and published by Konami, originally released in Europe in November 2001. It was released in the United States as Gradius Galaxies later in the same month and in Japan as Gradius Generation in January 2002. It is the only Gradius title available for the Game Boy Advance. The game's plot is set between Gradius III and Gradius Gaiden. Bacterion was developing a powerful weapon to use against the planet Gradius, but it was destroyed. A few years later it crashed on a planet and the planet gradually changed into a mechanical fortress. The planet Gradius then sent the Vic Viper to stop it.

source: romu「グラディウス ジェネレーション」の横スクロールアクションは、アーケードシューティングゲームの初期の頃を思い起こさせます。新たに追加された8つのステージでは、波のように押し寄せる敵があなたを追い詰め、巨大なボスたちが画面いっぱいに重火力を展開します。速くて致命的な攻撃船「ビック・バイパー」の操縦桿をしっかりと握りしめましょう。ツインキャノン、フォトンミサイル、ビームレーザーなどの武器構成を選び、ゲームプレイ中にパワーアップを取得してそれらの武器を強化しましょう。