 On April 20 , 2011 , it was reported that customers had launched a protest against perceived shortcomings of Portal 2 . Users complained that the game was too short — some saying that it is only four hours long , about the existence of paid , downloadable content for some versions at launch , and that the Windows and OS X versions were ports of the console version . Other journalists countered that the quality of the graphics on the Windows and Mac versions did not suggest a simple console port . Stephen Totilo of Kotaku wrote that the game lasted nine hours and that the downloadable content consisted purely of cosmetic add @-@ ons . Some journalists said that the minimal impact of The Potato Sack alternative reality game on the early release of Portal 2 may be influencing the user scores . 
