Embodiments of the present disclosure provide a method and an apparatus for generating a game effect, an electronic device, and a computer-readable medium, and the method includes following steps: acquiring an effect setting operation of a user, the effect setting operation including a setting operation of a multimedia material, a setting operation of a scoring rule, and a setting operation of an ending rule; and generating a configuration file of a game effect according to the multimedia material, the scoring rule, and the ending rule. The configuration file is used to indicate presentation of the game effect on a target video; and during the presentation of the game effect, the multimedia material is presented on the target video, scoring is performed and displayed according to the scoring rule, and a game is over in a case that the ending rule is satisfied.