Plot: Gradius Deluxe Pack is a 1996 video game compilation developed and published by Konami. It was originally released for the Sega Saturn and PlayStation, and later for Windows computers a year later. Wikipedia
Plot: Solar Assault is a three-dimensional shoot 'em up released by Konami in 1997. A spin-off of the long running Gradius series, the title retains most of the gameplay characteristics of its 2D counterparts including the same powerups and display system. Wikipedia
Plot: Gradius: The Interstellar Assault, released as Nemesis II: The Return of the Hero in Europe, and Nemesis II in Japan, is the second Game Boy game in the Gradius series. Wikipedia
Plot: Gradius Gaiden is a 1997 horizontal-scrolling shooter video game developed and published for the PlayStation by Konami. Players control one of four different starships in their mission to eradicate the Bacteria army from destroying the planet Gradius. Wikipedia
Plot: Salamander 2 is a 1996 horizontal-scrolling shooter arcade game developed and published in Japan by Konami. It is the direct sequel to Salamander and the third game in the Salamander series, which itself is a spin-off of the Gradius franchise. Wikipedia
Plot: Otomedius Excellent Gorgeous!), a spin-off of the Gradius series. It was released in 2011 on April 21 in Japan and in North America on November 1. Otomedius Excellent features female characters representing different Konami franchises. Wikipedia
Plot: Nemesis 3: The Eve of Destruction is a 1988 computer game, developed and published by Konami exclusively for the MSX platform in 1988. It was only released in Japan and Europe. The game is part of the long running Gradius series of side-scrolling shooters and is a spin-off of Gradius II: Gofer no Yabou...
Plot: Vic Viper is an unreleased coin-op racing video game from Konami. It was to star Gradius's own signature ship, the Vic Viper, in a game resembling the F-Zero or Wipeout series. It was first shown at the 1995 JAMMA show. Wikipedia
Plot: Gradius IV: Fukkatsu is the fourth arcade installment in a series of scrolling shooter video games developed by Konami Computer Entertainment Tokyo. It was preceded by Gradius III, released in 1989, although spinoffs had been released prior to it such as Gradius Gaiden. Wikipedia
Plot: Gradius III and IV is a compilation game combining ports of the arcade versions of Gradius III and Gradius IV. It was released in Japan on April 13, 2000, and in North America and Europe in November 2000. Wikipedia
Plot: Thunder Cross II is a horizontally scrolling shoot 'em up arcade game released by Konami in 1991 and it is the direct sequel of Thunder Cross. Wikipedia