WonderSwan / ワンダースワン

WonderSwan was a portable video game by Bandai released in 1999, developed by Koto Laboratory which was a company founded by Gunpei Yokoi after he left Nintendo.

The WonderSwan hardware has a NEC V30MZ processor, 64KB of RAM and a screen with a resolution of 224x144 pixels.

Its sound chip had 4 PCM channels and the device needed an AA battery to work.

It sold around 1.5 million units and was discontinued in 2003.

Release date: March 4, 1999