The ornamental design for a racinggame, as shown and described.
The sole FIGURE is a top plan view of a racing game.
The broken line showing of features in the central part of the design represent elements that are claimed features and are illustrated as broken lines in the final product. The broken line showing of the rectangles at each corner, as well as the wording that reads “START” and “FINISH” is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design.