oh i did that a lot believe it or not it is truth i FULLY completed atleast 20 games on xbox360 i.e 1000 on 1000 sometimes with addons 1250 on 1250 in like 20 or 22 odd games. So ya i played a lot for achievements as well and totally loved it got one of the highest game completion %'s in the world wud hav been more if my xbox360 wudnt hav conked