Game or gameness is a genetic trait most often attributed to dogs, fighting dogs and working terriers and fighting cocks that are selectively bred. Dogs displaying this trait can also be described as persevering, ready and willing, full of fight, spirited, or plucky.
Game or gameness is a genetic characteristic commonly observed in dogs, particularly those bred for fighting, such as terriers and working terriers, and fighting cocks.  Dogs displaying this trait are often characterized as persistent, ready to engage, full of fight, spirited, or courageous.