From there there are several walking paths at various levels of difficulty, providing a good opportunity to go for a stroll and enjoy the surrounding nature. (blog.guesttoguest.com)
The activities are designed to be engaging and include various levels of difficulty so that all students benefit from this activity. (tes.com)
The game can be played solo or with others and forces you to enhance your skills as you progress through various levels of difficulty during a zombie outbreak. (theyoungfolks.com)