Complex sentence: An online game titled "Brooke Valentine Presents Celebrity Girl Fight" was released online where the user fights female celebrities, including Ciara, Beyoncé, Paris Hilton, Jennifer Lopez, Lindsay Lohan and Lil' Kim.
Split into simpler sentences: An online game titled, "Brooke Valentine Presents Celebrity Girl Fight" was released to the internet. The people that the player fight's are Ciara, Beyoncé, Paris Hilton, Jennifer Lopez, Lindsay Lohan and Lil' Kim.