I don't know if it's the best game ever. It's hard to compare Fallout 3 to some very good first person shooters, action or other RPGs like Mass Effect. But it's definitely on my top ten.
Achievements completion : 99,39%
Gamerscore completion : 99,35%
Retail games completed : 70/74
I'm a completionist!!!
If you send a friend request, please send a message telling why, otherwise I will just ignore it