A building and tower defence game where you build up an industry and defences against ever larger waves of enemies.
From the main menu choose "Play" and then "Join Game". You will be able to set you in-game name here.
To join the server, click on "Add Server" and type in play.onfoss.org. When you press Ok, it will be added under "Remote Servers".
You can then click on the server name to join.