The ornamental design for a christianbingogame, as shown and described.
FIG. 1 is a front elevation view of a Christian bingo game with a bingo card, a bingo chip, and a question card separated for clarity showing my new design;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a right side elevation view thereof, the opposite side being a mirror image of the shown;
FIG. 4 is a top plan view thereof, the opposite side being a mirror image of the shown; and,
FIG. 5 is an isometric view thereof.
The broken lines in FIG. 1, FIG. 2 and FIG. 5 of the drawings depict environmental subject matter only and form no part of the claimed design.