Realtec

From Sega Retro

Realtec was a publisher of unlicensed Sega Mega Drive games in the 1990s. Of note, they published all the AV artisan games, making them one of the only unlicensed publishers in the US. They are known to have published at least one game in Taiwan, though.

All their games use a special mapper first described by TascoDLX; here is the technical description mirrored by Sik. To date, only Kega Fusion emulates the mapper.

Softography

Mega Drive

Hardware