First-person shooter of aliens vs humans. There are several classes and it's possible to build structures.
Getting the game
As humans you can buy upgraded weapons at the armory. Get close
and press Q to activate. You can also become an engineer and build
defences or repair stuff.
As aliens you can evolve anywhere by pressing Q. They also have an
engineer class that can build structures.
Set your in-game name by clicking on "Player" under "Options".
To connect to the server, press ~ to open the console and type "connect play.onfoss.org"