Basketball Challenge is an online game at 43g.Com. You can play Basketball Challenge in your browser for free.NBA playoffs just started and basketball games are popular these days. It has 2 modes of play and leader boards for each one. One mode where you try to score as many points as possible against one of the three opponents. Second mode is 3 game tournament. Use mouse to move left/right towards or away from the basket. To shoot click and hold, then release at the top of the jump shot.