"I love this game from mechanics to challenge level"

"Lots of challenge levels"

"Love the graphics and the challenging levels"

"Passes the time with challenging levels"

"**Want to improve your health & fitness? Want the ultimate workout for..."

"It's got easy levels and challenging levels"

"Challenging levels but not ridiculously hard"

"The fun challenging levels are great"

"Looking forward to the challenging levels"

"I enjoy the challenging levels"

"Many challenging levels and some easy ones"

"What a great game with many challenging levels"

"Love this game it has challenging levels but is still fun"

"Don't count on it this one has great gameplay and challenging levels"

"Challenging levels and a custom boom box let any age able to play"

"Lots of challenging levels and fun overall gameplay"

"Maybe the future will also have more challenging levels"

"Your roadmap to a healthier, leaner, stronger you. 8fit is your person..."

"And quite challenging on expert level"

"The levels are challenging and a great way to pass the time"

"Selected into "New Apps We Love"by Apple in 100+ countries. Effortless..."

"Everyone. Every run. Join the community that helps people get out the ..."

"Nike+ Training Club is your ultimate personal trainer. Get expert guid..."

"Love the different challenges on each level"