The present disclosure relates generally to gaming devices, systems, and methods. As an example, a gaming device is disclosed to generate game outcomes based on game instructions applying game rules to user inputs; cause gameplay graphics to be rendered by the user interface in accordance with the game outcomes; receive, from a sensor, information that enables the processor to identify a number of players positioned in proximity of the user interface; dynamically modify the game rules based on the identified number of players being greater than one; generate additional game outcomes based on the game instructions applying the modified game rules to user inputs; and cause additional gameplay graphics to be rendered by the user interface in accordance with the additional game outcomes.