The ornamental design for a keypad for a game scoring device, as shown and described.
FIG. 1 is a front elevational view of a keypad for a game scoring device
showing my new design, the rear being planar and unornamented;
FIG. 2 is a right side elevational view thereof; and
FIG. 3 is a reduced perspective view thereof.
The broken lines showing a game scoring device in FIGS. 1, 2, and 3; and
the legible indicia in FIGS. 1 and 3 are for illustrative purposes only
and form no part of the claimed design.