text: The Sims Medieval is a video game in The Sims series based upon The Sims 3 Engine , developed and published by Electronic Arts for Microsoft Windows and Mac OS X and was released on March 22 , 2011 .
simplified: The Sims Medieval is a video game developed by The Sims Studio . It is based on The Sims game series , and was released on March 22 , 2011 by Electronic Arts .