Because their parents aren't thinking of the negative affects of M rated games on 8 year olds.
plotserver.com funbrain.com
Ten year olds can play moviestarplanet and girlsgogames
y8.com or y3.com they are they are the best
dude you cant be serious games are rated for a reason...............6 year old walks into gamestop mommy can I get this game (left 4 dead)why sure honey dude no parent would no what the game is rated M for ,intense violence.STRONG LAUNGUAGE and no 6 year old should be playing this kninda stuff!!
there aren't very many that are apropriatte for 5-year-olds, so you should try getting them a handheld called a leapster.