This chapter presents a comprehensive systematic review of gamification in English language classrooms, emphasizing its impact on learner engagement and motivation. By synthesizing findings from 21 empirical studies, the chapter highlights how interactive and competitive elements of gamification can significantly enhance the learning experience. It addresses the importance of aligning gamified elements with pedagogical goals and incorporating learner feedback to optimize educational outcomes. Despite its potential, challenges such as technological barriers, resistance to change, and the necessity for digital literacy among educators are identified as key obstacles to effective implementation. The chapter provides actionable recommendations for educators, designers, and researchers. This work underscores gamification's transformative potential in English language education and advocates for its thoughtful and informed integration into teaching practices.