A method for alerting a player about a wagering game machine is described herein. In some embodiments, the method can include receiving, via a communications network from a handheld computing device, player preferences for an opt-in proximity alert. The method can further include creating the opt-in proximity alert based, at least in part, on the player preferences. The method can further include determining, via one or more processors, that the handheld computing device is in proximity to a wagering game machine matching the player preferences. The method can further include causing the handheld computing device to present an alert about the wagering game machine matching the player preferences.