Complex sentence: It was used to create levels, maps, stages and tables for many 8-bit and 16-bit console games for the Nintendo Entertainment System, the Super Nintendo Entertainment System, the Game Boy and the Sega Genesis.
Split into simpler sentences: It was used to create levels, maps, stages and tables for many 8bit and 16bit console games. Specifically the Nintendo Entertainment System, the Super Nintendo Entertainment System, the Game Boy and the Sega Genesis.