Complex sentence: However on July 2005, the company released it's first game ever for the PlayStation 2 (in the past the company had released games for the first PlayStation though) and since then other games has been manufactured for the PlayStation 2 by Culture Brain.
Split into simpler sentences: However on July 2005, the company released it's first game ever for the PlayStation 2 (the company had released in the past games for the first PlayStation though). Since then other games has been manufactured for the PlayStation 2 by Culture Brain.