Simplify the following text for a Grade 7 native English-speaking person.
Original: Also , up until The Sims 2 : FreeTime , the logo of Maxis was used for a button in the Options panel of the game to display the credits .
Simplified: Up until The Sims 2 : FreeTime , the logo of Maxis was used for a button in the Options panel of the game to display the credits .