Methods and apparatus are disclosed for video transmission. According to one example, computer-readable instructions, cause a computer to: generate motion data; distribute, toward terminal devices of a plurality of viewers via a communication line, the motion data; receive a webpage; receive operation data from a user interface; generate a second video related to a computer-implemented game on the basis of the operation data by using the received web page; distribute the second video toward the terminal devices of the plurality of viewers via the communication line; receive at least one of distribution related data; extract a selected game object out of a plurality of game objects to be used in the game; calculate a control parameter related to the selected game object on the basis of the distribution related data; generate the second video including the selected game object; and distribute the second video toward the terminal devices of the plurality of viewers.