Evidence to researching game ideas

Evidence of researching different types of games for 11 - 16 year olds -
http://www.parenting.com/gallery/8-best-pc-videogames-for-your-kids?page=0
http://www.moma.org/explore/inside_out/2012/11/29/video-games-14-in-the-collection-for-starters/

Evidence to ideas of changing the Pac Man game - 

http://pacman.wikia.com/wiki/Pac-Man_%28game%29
http://en.wikipedia.org/wiki/Pac-Man