Playstation 3 has been around for about 2 years now, and I think it's the time to cover the Top 6 PS3 games that all Playstation 3 owners must buy. This list has been carefully put together, if you do own a Playstation 3 you must buy these games on this list. If you are not an owner of Playstation 3 then this list just became your wishlist! Number 6 Spot: Ninja Gaiden Sigma Ninja Gaiden 2 wa... more.