Creating a menu to link to multiple articulate presenter files

Are you tracking these as one course in an LMS or just looking for a way to tie them all together? 

If you want to track them you can create a multi-sco package by following this helpful article from Open Sesame:  https://www.opensesame.com/blog/combining-multiple-scos-one-scorm-course

If you'd like a nice tool to help automate that check out the Simple Scorm Packgers (You can do 10 for free) http://jcasolutions.com/ssp

If you're just tying them together your menu screen buttons can simply link to the course you want to launch (You'll need the final address where it lives on the server. i.e http://.... )