classes: lecturer. Less active games applied to the lesson, the content is only sequential in the textbook, causing boring feelings for students. curriculum. Less active games applied to the lesson, the content is only sequential in the textbook, causing boring feelings for students. facility. Less active games applied to the lesson, the content is only sequential in the textbook, causing boring feelings for students. general. Less active games applied to the lesson, the content is only sequential in the textbook, causing boring feelings for students.