Biography texts constitute an important material in Indonesian language. Studying biography texts also means studying linguistic aspects, in particular sentence structures. The problem of this research is the low abilities of students in understanding linguistic aspects of biography texts. This research aims to increase student abilities in understanding the linguistic aspects of biography texts through a monopoly game. The research procedure utilized in this research was a classroom action research. Research results showed that the abilities of students to understand linguistic aspects of biography texts could increase when conducted through learning with a monopoly game. This increase could be seen in the average of student learning results and the average observation results of student and teacher activities in each cycle. The conclusion is that the low abilities of students to understand linguistic aspects of biography texts can be improved and elevated through learning carried out using a monopoly game.