If she loves games and puzzles, there's a board game place in Winooski that has groups that meet regularly. They are super friendly and inviting, and would be a great way to make friends. That would be my number one suggestion. Find out what time the next event is and go!

https://www.theboardroomvt.com/

Bowling league? Billiards, darts, pinball? In my experience, you can easily make friends by joining a league or going to a place that shares a hobby you enjoy that has regulars.

Does it have to be female specific? How about the Queen City Belles & Chimes?