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In case anyone needs help installing the game, patches or addons just letting you know we have a comprehensive installation guide at Kingpinforever.
It covers the initial install of the game, patching it, installing the monkey mod cheat protection client and also how to install player made addons such as maps, mods, player models and skins etc.
You can check it [url=][/url]
Hope it helps :)
Post edited April 27, 2009 by MrDamage
GOG has done all of this, fortunately.