Note: Other players can add people to the lobby once they have joined, it does not have to be the group leader that invites everyone.

Click the Invite button next to their Steam name.

Click the (+) just underneath your username on the right-hand side of the menu where there are five empty player slots.

The group leader (whoever starts adding friends first) should have at least of the other members as friends on Steam.

The simplest way to ensure that everyone gets into a game at the same time is to make a group first. Make a lobby/group first before joining a server

Note: With this method, you cannot guarantee that other people won't join the server before you, losing a spot in that server.

Using the Steam overlay (or just through the Friends window), right click and Join Game or have them send you an invite through Steam.

This is the first method and was pretty much the only way you could get into a game with your friends in KF. There are two ways to join a server with your friends, both of which are fairly easy: Join on a friend already in a server through Steam With the matchmaker, you have the added ability to search and join games that haven't started yet, where all players are still in lobby. Using the online matchmaker is very similar, although in early release days it has been problematic so most people have just defaulted to Browse Server. Once you have found the server you want, just double-click the server name or press the Join button.

No empty servers (if you don't like playing alone).

Since KF2 doesn't play nice if there's high lag, I recommend sorting the servers by Ping, the very last option with the three bars on the list screen.

Map (these are typically on rotation so it shouldn't matter too much unless you're gunning for a particular map achievement and don't want to wait).

Number of Players - servers with 7+ players don't give XP or achievements as of the latest patch.

Game Type - this is generally defaulted to Survival.

Difficulty - do you want to play Normal, Hard, Suicidal, or Hell on Earth?.

There are hundreds of KF2 servers up now, so you have plenty of choices, and the filters seem to be working now too. for credit towards achievements and gaining perk levels). It all depends on what you're looking for! Right now, the options are rather simple - even more so if you want them to be whitelisted (i.e.

Killing floor 2 server admin commands