The ornamental design for a game apparatus, as shown and described.
FIG. 1 is a perspective view of a game apparatus showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a top plan view thereof; and,
FIG. 4 is a bottom plan view thereof.
The broken line showing of a base is for illustrative purpose only and
forms no part of the claimed design. The broken lines in FIG. 2 shows an
alternate position of a ball in a game of play.