The ornamental design for a gameprotectioncase, as shown and described.
FIG. 1 is a perspective view of a game protection case showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is an enlarged view of the selection portion taken from FIG. 1.
The broken lines in the figures illustrate portions of the game protection case that form no part of the claimed design. The broken lines on the grips of the game protection case in FIGS. 1, 2, 4-7, form unclaimed pattern on the article.