sentences:  Nyko, an accessories company, was poised to make a special PlayStation 2 controller adapter for the PlayStation 3, but put the product on hold due to technical difficulties.Tac, another accessories company, also made a PlayStation 2 controller adapter for a PlayStation 3 game console so players could use their "Guitar Hero" guitar controllers that were made for the PlayStation 2 with a PlayStation 3.However, the May 2007 PlayStation 3 V1.80 system update has made the guitar controller compatible with generic PlayStation 2 controller to USB adapters when playing "Guitar Hero" and "Guitar Hero II".