If you want to see students open up, then you have to try a breakout box game. I was an early adopter of breakout games (you know when they were still selling pine boxes and locks from the store). The premise behind a breakout box game is that a group of students collaborate & communicate together to find clues, decipher codes, and unlock 5 different types of locks. Check out this video if you want to know more. The best games were those that utilized various technologies. The students would often use the internet to help, but in the end, they would get sidetracked by the plethora of information. Setting up a game is time-consuming, but the reward was seeing the students light up and try to solve the puzzles. Here are a few of the games: