REAL Challenges System allows the Game Master to transform events happening in the game world into real activities to be performed in the real world. Measurable outcome of challenges (Results) determines the course of the game through in-game Effects.
There are Team challenges and Personal challenges (to be faced by individual players). Each challenge has its own Category and Type. There are three Categories of challenge: Mind, Body and Spirit.
It means that during this game all of your five senses will be employed. You may feel joy, exhaustion, relief, anger, you may actually sweat and feel the satisfaction from conquering fear. And all this without even leaving the room!