Method and on-line game system for offering prize to participants and observers of custom league

摘要

Disclosed are a method for rewarding participants and spectators of a custom league and an online game system for the same. The online game system according to the present invention can comprise: an online game server providing an online game service; and a custom league providing server which creates and holds a custom league by using the online game server according to an input of an organizer, distributes custom league rewards to a corresponding participant according to a ranking of the custom league and reward distribution rules set when creating the custom league, reflects an operation of a spectator on the custom league during the custom league, configures betting reward by using received game items according to a betting request of the spectator, and distributes the betting reward to the corresponding participant according to the ranking of the custom league and betting distribution rules set when creating the custom league.