All games require Shockwave Player 

Sherwood Dungeon
A massive multiplayer fantasy game you have to see to believe. The Defend your honor in combat and meet players from around the world in an infinitely deep dungeon filled with monsters and treasure. 
Tank Ball
Hunt down your friends and give 'em some double barreled tank shooting action in Tank Ball. 
Blowed up real good! 
Moon Base
Take the rover moon buggy for a spin on the surface of the moon in this multiplayer 3D Avatar Chat World. Adjust the gravity, try a rocket pack and dance with friends from all around the Moon!