It didn't take long for that to happen.
In less than 3 weeks, Fallout 4 has become the most reviewed "Fallout" title on Steam, with 35,713 reviews as of this writing; as a comparison, here's a chart with the review count for every other "Fallout" title in that digital store:
|
Game
|
Year
Released
|
Reviews
|
Percentage of
Positive Reviews
|
| Fallout: A Post Nuclear Role Playing Game | 1997 | 1,947 | 94% |
| Fallout 2: A Post Nuclear Role Playing Game | 1998 | 1,660 | 93% |
| Fallout Tactics: Brotherhood of Steel | 2001 | 470 | 86% |
| Fallout 3 | 2008 | 18,723* | 83%* |
| Fallout: New Vegas | 2012 | 33,843** | 96%** |
| Fallout 4 | 2015 | 35,713 | 81% |
Of the modern "Fallout" titles (Fallout 3 and beyond), Fallout 4 is currently the least liked of that series, mainly because poor coding prevented a lot of users from 
launching that game despite their PC meeting the minimum system requirements.
*Includes reviews from the Fallout 3 base game and Fallout 3: Game of the Year Edition.
**The Fallout: New Vegas base game and Fallout: New Vegas Ultimate Edition shares the same reviews.