360 Smash is a straightforward four-player flash game. It’s so simple that it can become extremely competitive. It’s in the category of a tennis game, but with a completely unique type of game play. The main character, a ghost, can swing the tennis racket or duck.

You can play it here at:

http://www.y8.com/games/360_smash

Hover over the image so you can get an explanation of the gameplay.