Dino Storm, is in Open Beta since August 14 2012, this means that everyone can register and play.

The Free 3D Multiplayer Game. With Dinosaurs and Laser Guns.

Dino Storm is a free online multiplayer game with rich 3D visuals. You are a brave ranger, who is leaving for Dino Ville, where rich veins of gold have been discovered. With just a few dollars in your pocket, a little ammunition, loaded laser cannon, and your small dinosaur, you make your way to the once quite western town. Face down gigantic herds of dinosaurs and merciless robber bands and start your thrilling search for valuable items. Set up supply camps, outposts, and goldmines, defend them against other players, and earn fame and respect. Only the best will manage to rise to become the sheriff of the town.