 Portal 2 received universal acclaim from reviewers on its release , and received an average score of 95 out of 100 according to review aggregator Metacritic , and between the different platform versions was ranked as the third- to fifth @-@ highest rated game by the aggregator throughout 2011 . Several reviewers identified Portal 2 as an early contender for " Game of the Year " , while others called it one of the best games of all time . Upon release , the game was widely considered to be as good as or better than the original . Eurogamer 's Oli Welsh said that the game avoids the normal pitfalls that developers introduce in sequels , stating that " Portal is perfect . Portal 2 is not . It 's something better than that . " . Gus Mastrapa of the A.V. Club wrote that with Portal 2 , Valve had alleviated any doubts that " Portal could be expanded into a big , narrative experience with all the bells and whistles of a mainstream gaming hit " . IGN 's Charles Onyett wrote that the sequel " makes the original look like the prototype it was " by expanding the game in gameplay and story . 
