is a
Japanese software company established on March 27, 2006 by Toshio Tabeta, a former producer of
Interchannel. While still with Interchannel, Tabeta's team was responsible for mainly developing and publishing versions of
visual novels originally published by
VisualArt's for consumer platforms like the
PlayStation 2 and
PlayStation Portable. After Prototype split off from Interchannel, the company still continued to work with VisualArt's. Prototype is also involved in producing
mobile phone ports through VisualArt's Motto which Prototype manages. Prototype has also produced a set of
drama CDs based on
Key's visual novel
Clannad.