The ornamental design for a gamblinghubplacementgame, as shown and described.
FIG. 1 is a top view of a first arrangement of a blank playing field and multiple blank wagering fields of a gambling hub placement game according to one embodiment of the invention;
FIG. 2 is a top view of a first arrangement of a blank playing field and multiple blank wagering fields of a gambling hub placement game in the context of a gaming table according to one embodiment of the invention;
FIG. 3 is a front view of a first arrangement of a blank playing field and multiple blank wagering fields of a gambling hub placement game in the context of a video game interface according to one embodiment of the invention; and,
FIG. 4 is a front view of a second arrangement of a blank playing field and multiple blank wagering fields of a gambling hub placement game in the context of a video game interface according to one embodiment of the invention.
Subject matter shown in broken lines illustrates features that are associated with various environments in which embodiments of the invention may be instantiated but form no part of the claimed design.