ቅጾችን በመሙላት ወይም በምታደርጉት የተከራይና አከራይ ስምምነት በተዛመደ ጉዳይ መርዳት
- a player has to use brains to escape from the place - and fun is created by finding objects or circumstances that could be helpful for reaching the goal and making a puzzle done out of all of them