Sun Electronics Corp.

Established in 1971 as a manufacturer of electronic equipment, the company expanded into the video game industry during the late 1970s. Early software development included porting popular arcade titles to home platforms. In 1985, the company released Baseball for home consoles, which saw multiple cartridge variations, including a rare "5-screw" physical design for its North American release. That same year, the action game Ikki debuted in arcades before receiving a prominent home console port.

As the market expanded, the publisher secured licensing agreements to port major third-party properties. In 1987, they released localized versions of Sega's Fantasy Zone and Bally Midway's action-driving game Spy Hunter, the latter also featuring a sought-after "5-screw" cartridge variant. During this period, the company also developed unique regional titles such as the Famicom Disk System puzzle-adventure game Super Boy Allan in 1987. These releases solidified the publisher's international distribution network across Japan and North America throughout the late 1980s.