Back in 2008, Gamespot reviewed Alien Arena - http://www.gamespot.com/features/6201226/

"Deathmatch with Cattle", lol. Quite true in fact :D

A new version of this game has been released, and a lot has changed for the better since then.

Here are some screenies of this new version...

And, a trailer...

Direct link - http://red.planetarena.org/files/trailer2k12.wmv

For more information about Alien Arena and to download the game visit http://red.planetarena.org