Alley Oop. Perform super outrageous slam drunks as you throw lob passes to the dunkers and rattle the rim! Pass the ball at an appropriate time to your flying teammates such that they can complete the dunk. The higher they are when they receive the ball, the more points you score. Try to score as many points as you can in 60 seconds! This game is one of the sports game on Round Games. Enjoy and have fun in playing this free online sports basketball game and good luck.