One of those people who like to watch? Get your mind out of the gutter, I mean for Half Life 2 deathmatch! Just launch steam and you can now enter spectator mode easily at the console by typing SPECTATE.

Updates to Half-Life 2: Deathmatch have been released. The updates will be applied automatically when your Steam client is restarted. The specific changes include:

Half-Life 2: Deathmatch

* Added spectator mode. If the server has mp_allowspectators set to 1, type spectate to enter spectator mode