Thundercade
Thundercade, also known as Twin Formation and ", is a vertically scrolling shooter developed by SETA and released as an arcade game in 1987. A version for the Nintendo Entertainment System from American Sammy was released in 1989. The NES version's manual describes a story, casting players as a part of Operation Thundercade, a special forces operation battling against the nuclear threat of Atomic Age Terrorist Organization of Miracali (AATOM). Gameplay. Players control a motorcycle equipped with sidecar cannons and backed up by a B-7 bomber. There are four levels in the game: an unnamed city, the terrorists' military  base, the woodland regions, and the fortress containing the nuclear power plant. Bosses include a submarine along with other screen-filling enemies. Reception. In Japan, "Game Machine" listed "Thundercade" on their December 15, 1987 issue as being the seventh most-successful table arcade unit of the month.