It seamlessly integrates with the entire game; while providing an alternative form of game play as well as a break in between chapters if you just want some light hearted fun. (theswitcheffect.net)
But, while designing or executing an existing form of games, elements help to drive success. (elearningindustry.com)
Text - based adventure games are one of the earliest forms of game I can ever remember playing. (thezombiechimp.com)