The world needs your tennis skills! Crazy Tennis Online is a pretty crazy tennis experience, just like the title promises! In this game, you're not playing against human opponents. The players you will face are all aliens from outer space, and the fate of the earth is at stake! Choose your player and your opponent and get ready for a tough match! Don't worry if the match is too hard. You can select always change the difficulty level of the game via the menu. Use your arrow keys to move around and use the space key to shoot.