A gaming system including one or more group event eligibility sequences. Each group event eligibility sequence is associated with a set duration. In these embodiments, if one or more players at one or more gaming machines collectively satisfy a group event eligibility threshold within the set duration of an initiated or triggered group event eligibility sequence, the gaming system determines that such players are eligible to participate in a group event. For the group event, the gaming system provides one or more group event awards to such participating players.