Plot: Super Xevious is a 1984 vertical-scrolling shooter arcade game developed and published by Namco in Japan. It is an updated version of Xevious, created as a response to the overwhelming success of the original in Japan. Wikipedia
Plot: Strikers 1999, also known as Strikers 1945 III, is a vertically-scrolling shoot 'em up game developed and originally released by Psikyo in 1999 for the arcades. The game is a sequel to Strikers 1945 II, chronologically taking place 54 years after the first two games in the series. Wikipedia
Plot: Super Contra, known as Super Contra: The Alien Strikes Back in Japan, is a run and gun video game by Konami originally released as a coin-operated arcade game in 1988. Wikipedia
Plot: Snow Bros. is a 1990 platform arcade video game originally developed by Toaplan first published in Japan, then in North America by Romstar and later in Europe. Wikipedia
Plot: The King of Fighters 2003 also known by fans as The King of Fighters X is a fighting game produced by SNK Playmore for the Neo Geo arcade and home platforms in 2003. Wikipedia