Here are some cool games
Slam dunk Basketball "http://www.miniclip.com/games/basketball-slam/en/
World cup soccer"http://www.miniclip.com/games/world-cup-soccer/en/"
Hockey showdown http://www.miniclip.com/games/hockey-showdown/en/"
field goal "http://www.miniclip.com/games/field-goal/en/
Tennis grand slam http://www.miniclip.com/games/tennis-grand-slam/en/