Medal Of Honor: Allied Assault  An awesome first-person shooter set during World War II.  The single player levels are a blast as they take you through nearly the entire war and to various high profile locations.  The multiplayer games are a load of fun as you use WWII era weapons to mow down your enemies.  www.mohaa.ea.com 

Battlefield 1942  Another great first-person shooter with a twist.  Now you can man tanks, fly planes, and command battleships  in your quest for total domination.  This is the ultimate, large scale, team based multiplayer game.  www.ea.com/eagames/official/battlefield1942/home.jsp

Operation Flashpoint  In this first-person shooter which takes place during the late Cold War era of 1985 you can operate vehicles and command a squad  as you attempt to thwart a Russian military coup'.  www.flashpoint1985.com 

The Sims  Take control of every aspect of a Sim's life.  Build houses, buy furniture, and make friends with neighbors.  The many expansion packs created for the game give you more items and more to do.  Very addicting.  www.thesims.com