Andrew M. Colman Game Theory and its Applications: In the Social and Biological Sciences (published by Psychology Press; 2 edition, 28 Oct. 2013) Is an accessible introduction to the fundamentals of mathematical gaming and other major applications in social psychology, decision theory, economics, politics, evolutionary biology, philosophy, operational research and sociology.
Your attachments are about computer games, or digital games.
Taimur's question is about the game theory which is "the study of mathematical models of conflict and cooperation between intelligent rational decision-makers." Game theory is mainly used in economics, political science, and psychology, as well as logic, computer science, biology and poker.