Who made the game "Torus" in the 1990s?

Solution 1:

I believe that the game was developed and published by Yunsung in 1996 based on the information I found at the links below which also contain this video.

You can see at the end there is the title screen and name Yunsung is at the bottom. Although the Games Database doesn't list Torus as a game by Yunsung all the other games listed are published and developed by Yunsung leading me to believe that it was likely that Torus was the same.

Its also possible that this was the developer and maker of the original arcade cabinet and that the DOS version was converted and/or published by someone else.

archive.com

GamesDatabase.org