Pioneer launched the LaserActive CLD-A100 in Japan in August 1993 and later in North America. The base unit was a LaserDisc and CD player that could be expanded through modules known as PACs. With the Sega PAC it could run Mega Drive/Genesis cartridges, Mega-CD/Sega CD discs and Mega-LD titles; with the NEC module it could use HuCards, CD-ROM² and LD-ROM². LaserActive-specific games used LaserDisc to provide full-screen analogue video combined with graphics generated by the console module. Its modular architecture made the CLD-A100 one of the most unusual multimedia systems of its generation.