The ornamental design for a game add-on, as shown and described.
A portion of the disclosure of this patent document may contain material, which is subject to copyright protection. The owner has no objection to the facsimile reproduction by any one of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent file or records, but otherwise reserves all copyrights whatsoever.
FIG. 1 is a top front perspective view of a game add-on of the present invention;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a right elevational view thereof;
FIG. 7 is a left elevational view thereof; and,
FIG. 8 is a top front perspective view showing the claimed design in environment of use.
The broken lines in, FIG. 8, depict environmental structure of the game add-on and form no part of the claimed design.