Each session you take has a planned schedule. Most of these sessions range from between two to even four hours long. Sometimes, students come to attend after work or class even. So, you should look at ways to make your classes fun and energizing. Most of these games can be adapted in various ways, so I am sure you will be able to match one or adapt one according to your lesson plan. And the games, in turn, would make your lessons more fun and easy to remember.