Lemmings-like game where you need to guide your little people to safety despite their best efforts of wandering into things that will kill them.
Click on "Options". Then under the "General" tab, you can input your player name. Click on "Okay" to confirm.
Click on "Network Game".
Under address, fill out play.onfoss.org and keep the port set to 22934. Then click on "Okay" to connect.
You should see a room on the upper right. Click on that to join.
Choose your colour and then click "Okay"