1. A method of providing recommendations to a game user of another user's game play video, comprising: rendering a game play video by using object information which includes 3D shape data of characters, props and backgrounds consisting a game saving script information in a server to establish a video list, wherein the script information comprises data on appearance or disappearance time points of characters, props, and background included in the object information and movements of the characters, props, and background; detecting a failure situation in which the game user plays the game with a game device and fails to resolve a game task, and transmitting the detected failure situation from the game device to the server; searching a video list stored in the server to extract one or more videos including a failure video corresponding to the failure situation or a success video in a resolution process corresponding to the failure situation, wherein the server searches the failure or success video corresponding the failure situation by using the script information; sending a recommendation message recommending the failure video or the success video searched in the server to the game device; and displaying the recommendation message on the game device.