Call of Duty: United Offensive

Of the first three Call of Duty games CoD: UO was for a long time the most popular. Not because it had the best graphics, the best gameplay or an amazing physics engine (in fact, physics generally doesn't exist in CoD and if you read carefully you will find this noted in Einstein's Theory of General Relativity), but just because it is enormous fun to run around shooting people whilst talking complete and utter gibberish over TeamSpeak.

The custom maps used by us can be found Here