Baldur's Gate II: Shadows of Amn
I'd like to start this list out with a blast from my own past. Dungeons & Dragons fans will likely recognize the name Baldur's Gate. It was a role-playing game set in the Dungeons & Dragons universe.
Here's a fun fact for everyone, Baldur's Gate II: Shadows of Amn was actually developed, in part, by BioWare. A relatively overlooked part of their history, Baldur's Gate II: Shadows of Amn released in 2000. It remains one of my favorite video games of all time and is definitely one of the top sequels out there.
Make sure you gather your party before we venture forth into the next item on our list.