Mass Effect 3 plunges you into an all-out galactic war to take Earth back from a nearly unstoppable foe – and how you fight that war is entirely up to you. With over 40+ perfect review scores, USA Today heralds Mass Effect 3 as “the first true blockbuster of the year.”[1]https://www.microsoft.com/en-us/p/mass-effect-3
According to HowLongToBeat.com[2]https://howlongtobeat.com/game?id=5707, it takes an average of 24 and a half hours to beat the main story line, and 35 and a half hours to beat the main story line with the extras.
The speedrun record of Mass Effect 3 (submitted on 08/27/2020) is 2 hours 39 minutes and 25 sec.