They will not be able to change the odds on a game you are presently playing. After you change from one game to another there is a time limit before they can change the odds for the previous game. The main idea behind the server is that when you put your card in the machine, the system will know, for instance, that you play 25c poker and Wheel of Fortune slots. These games will be available on your machine. If you play certain other penny games such as Turkey Shoot, Gems, Little Lucy, etc, the machine you are on will have those games made available to you. In addition the message screen could wish you happy birthday or anniversary, let you know about show deals for the type of show you like. All personalized gaming and info.