 Many critics believed that the number of releases of Guitar Hero games was " milking " the brand name and <unk> the market . <unk> the <unk> creator <unk> <unk> stated that the video game market was growing stale and needed to move beyond games that simply challenge the player to mimic the playing of licensed music . Ryan Geddes of IGN stated that he " hit the wall with play @-@ along music games " , and challenged the game makers to explore other ways to combine music and video games . Analysts stated that such games must continue to innovate instead of just providing more songs in order to prevent " genre fatigue " . Jesse <unk> of Electronic Entertainment and Design Research commented that , much like Dance Dance Revolution , Guitar Hero and other music games explosively grew initially due to significant new features from other games but have become stagnant due to focusing on content over features , and suggested that for the genre to continue to grow , they must look to incremental changes as done with the first @-@ person shooter genre . Former CEO for RedOctane , Kelly Sumner , believed that Activision " abused " the series , as " they tried to get too much out of the franchise too quickly " . 
