Open Corp.

Background
Open Corp. was a company based in South Korea that was founded by ex-employees from Zemina. They produced mostly unlicensed NES/Famicom and Sega Master System games during the 1990s, and were published by Daou Infosys from 1993 onward.

Logo (1993-1994)
Visuals: Over a gray background, there is a red/white/blue banner with the black text "Open" in front of it. Below is the name of the company in yellow, "OPEN CORP.".

Variants:
 * The logo would appear with the Daou Infosys logo on several games.
 * One instance had the logo without the company name subtitle.
 * An animated variant existed on a Family Noraebang, where the elements of the logo would slide in, and the Hangul name would appear.
 * One instance had the logo on a black background.

Technique: Mostly none.

Audio: None. Availability: Mostly found on unlicensed South Korean games for the NES and Master System, including Metal Force, Family Noraebang, and Suho Cheonsa.