A game service providing method according to an embodiment of the present invention comprises the steps of: constructing a visual knowledge map comprising coordinate points corresponding to one or more learning items; in correspondence with a user for service, providing, to a terminal to which the user is connected, a lesson route which comprises one or more first points of the visual knowledge map and a second point, which is a subsequent stage to the first points, and corresponds to a learning objective; giving a reward item to the user in accordance with the user clearing the first points; and, if the user enters the second point, determining whether or not a service for the second point is to be provided in accordance with whether or not the user has the reward item.
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