Play Curveball 3D Online! This remake of a classic online game brings the classic Pong game into a 3D world! Move your paddle to keep the ball in play. Don't lose the ball or you will lose a heart. Lose all of the hearts, and the game is over! Defeat the computer player to move onto the next level. As you advance through the levels, the computer gets tougher and the ball moves faster. Earn points for scoring, hitting curve balls and completing levels quickly.