Shoot the ball in the air as close to the target as possible

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Here's a small game to kill a few minutes of your life...
Shoot the ball in the air as close to the target as possible but do not exceed the target height even by the tiniest margin. Complete 20 rounds to submit your final results to leaderboard. Before shooting, pay close attention to maximum shooting power, ball weight and target height!
Each round is different in these variables and you need to learn how to shoot light/heavy balls with low/high maximum power. It's a simple game but there's still a bit of a learning curve.