Thirteen4 was a web game developer responsible for a couple browser games based on the Sonic the Hedgehog franchise. On January 1st 2010, it was announced that they had merged with the web developer Norbitron.
Thirteen4 was a web game developer responsible for a couple browser games based on the Sonic the Hedgehog franchise. On January 1st 2010, it was announced that they had merged with the web developer Norbitron.
