US Patent 9064383 Awarding achievements in wagering games

A wagering game system and its operations are described herein. In embodiments, the operations can include determining possible wagering game events that can occur for a wagering game. The operations can further include determining a subset of the possible wagering game events and configuring an award ladder game to award prizes in a stair-step fashion based on occurrence of the subset of possible wagering game events. The operations can further include ordering a plurality of awards, or prizes, on an award ladder in an order of value and configuring the award ladder to award the plurality of awards in a sequential order of value according to an order of occurrence of the subset of possible wagering game events. The operations can further include configuring the award ladder to reset when the plurality of awards have been awarded.