I use this game for my Australian students in Year 7 (ages 11-13) and they absolutely love it! It not only functions well - it has a modern design which appeals to teenagers.
You can play individually, however it works great with groups. Inside are instructions on how I organise my class for the game and play - but you can do anything really.
If you have an energetic class, I would suggest you do bonus rounds where you can challenge students to do various physical activity (pushups, burpies, etc) for extra points!
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