The Earth Fighter Rayieza is a role-playing video game developed and published by Enix (current Square Enix) in 1985 for the NEC PC-8801, FM-7, Sharp X1, and MSX personal computer systems. The game was ported to the Famicom in December, 1987 by Nintendo under the title Ginga no Sannin . Unlike most other role-playing video games of the period, the game takes place in a sci-fi setting instead of a fantasy world. The game was never released outside of Japan. The game''s character designer was Go Nagai, who also drew the illustrations for the game''s package. The game''s background music was composed by Yukihiro Takahashi, who was also the drummer for the Japanese electropop band Yellow Magic Orchestra.

