Finely chop 9 oreos in food processor and set aside in a bowl. Chop the rest of the oreo's finely and move to a med. size mixing bowl. Mix in softened cream cheese and shape into 36 small balls. Melt chocolate chips in a double boiler. Dip each truffle ball into the melted chips and coat. Move onto waxed paper. Sprinkle tops with the reserved chopped oreo's and harden. You can use sugar free oreo's if preferred. You can also make the balls larger or smaller as you wish.