Score as many points as you can before time runs out. Sink multiple baskets in a row for a bonus multiplier and watch out for opposing players trying to block your shot. Rack up a high enough score in each challenge to unlock new levels and players.
Kick the soccer ball around to your teammates while hitting all the refs and scoring in the goal with as few shots as possible. Watch out for defenders who will try and get in your way and collect all the coins in each level for an added bonus.