Tactical decision-making is the critical component to the basketball performance. Players need to be able to recognize the evolving situation and make decisions even in environments where there is limited time and space. Traditional game-based learning of instruction has not been very successful in developing these mental and tactical skills, so a new focus has been placed on game-based learning. This study examines the extent to which game-based training leads to improvements in tactical decisions and it is observational in nature. Drawing on current instructional theory, the review collates evidence that game centered approaches (including Teaching Games for Understanding, the Tactical Games Model and smaller sided games) contribute to tactical awareness, the choice of decisions and the execution of skills. Across the literature, there are consistent findings of game-based learning results in increases in cognitive engagement, intrinsic motivations and tactical paces. Yet there are still some gaps, far too few studies are specific to basketball and longitudinal outcome data is not available. In order to fill these gaps, a quantitative quasi-experimental study is proposed in which tactical decision making of players will be evaluated before and after a structured game-based program. Game performance was measured by using validated assessment tools that provided sport scientists, coaches, physical education instructors, etc. actionable data to enhance tactical development in basketball. The results showed that significant increase in the tactical decision-making (F = 191.738, p < .001) and game-based learning (F = 214.874, p < .001). However, game-based learning and tactical decision-making had a weak and insignificant correlation (r=-0.135, p=0.180). The game-based learning is a method of improving the performance of tactical decision making in basketball. The results recommend that the combination of tactical and learner-centered pedagogical models with sustainable basketball education and training programs are quite essential and impactful.