Curveball is a highly popular classic arcade flash game that everybody loves to play again and again. It is similar to the 3d Pong game but much better. You have to control your paddle using the mouse to send back the ball to your challenger (computer). Your objective is to beat your opponent by hitting the ball in such a way that the computer will fail to resend the ball back to you. In each level you have to beat your rival three times to progress to the next level. Use your mouse to click on the green ball to start the game, and then just move your paddle, using the mouse, close to the ball to send it back to the computer. You can get three types of bonuses like accuracy, curve bonus, and super curve bonus. You have a total of 5 lives so be careful while playing and try not to miss any shot. The game will get faster with progressing levels and also the computer opponent will play better with time. Try to score as many points as possible by beating the computer as long as you can.