Simplify the following text for a Grade 7 native English-speaking person.
Original: Barbie Horse Adventures : Wild Horse Rescue is a video game available for PlayStation 2 , Game Boy Advance and Xbox , based on the Barbie line of dolls by Mattel .
Simplified: Barbie Horse Adventures : Wild Horse Rescue is a video game being made by Vivendi Games . It is part of the Barbie franchise .