Thundercade
About
Thundercade, also known as Twin Formation and 特殊部隊UAG (Tokushu Butai U.A.G., "Special Forces U.A.G. (Un-Attached Grenadier))", is a shoot 'em up video game developed by SETA and originally released for video arcades in 1987. A port for the Nintendo Entertainment System (NES) 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).