Alien Arena has hit the version 7.52 which brings new features, levels and bug fixes. Alien Arena is one of the most popular 3D games on the GNU/Linux platform.
You can install the game in Ubuntu via Software Center. If you are using Fedora, you can install it from the Add/Remove tool. If you already have the game installed just run this command:
su -c ‘yum update alienarena’
Alien Arena 2011 is an online deathmatch game with over 30 levels, seven modes of play, loads of mutators, built-in bots, multiple player characters and weapons (with alt-fire modes).
Version 7.52 boasts a host of updated and new content, as well as a new stats account system, renderer updates/improvements/bugfixes, and a new game mode, Insta-Rockets. Four brand new levels have been introduced, as well as a new violator model, updated player skins with glow effects, all new powerup models(including the new megahealth!), and updates to a variety of other skins and textures.