Big open space
Paintball or any other type of that kind of gun.
Back packs full of clothes, water, food, flashlights etc.
Also you need an extra person to use a blow horn to announce when someone surrenders.
What you need to do:
Place the backpacks in side an area similar to the Cornucopia.
How to Play:
Do what the book does but instead of killing, the person beats up the other person until he/she surrenders.