Perpetual Entertainment
 Perpetual Entertainment founded in March 2002 was an American developer publisher and operator of networked multiplayer games and MMORPGs. Their headquarters was located in San Francisco California USA. From October 2007 to February 2008 (following a transfer of assets) the company was known as P2 Entertainment. The company was best known for its development of two MMOs: Star Trek Online and Gods & Heroes: Rome Rising.