ABSTRACT Mutmainnatul Mardiyah 2020, The Implementation of Hot Seat Game on Students’ Vocabulary Mastery at The Seventh Grade of SMP Nurul Mustofa Pegantenan Pamekasan. Undergaduate, Thesis, English Teaching Learning Program (TBI) Faculty of Tarbiyah, State Islamic Institute (IAIN) of Madura. Advisior: Eva Nikmatul Rabbianty, M.Pd., Key Words: Hot Seat Game, Vocabulary Mastery Teaching…