Yes, up next are DOS, Amiga and more Old Time Radio and Laser Disk games. That should be finished around the end of summer. I plan on adding a large number of new systems next fall. No comments on specifics but if you look at these then you should get an idea
http://retrouprising.com/support/ret...art-iii/t8368/
http://retrouprising.com/support/ret...part-ii/t3249/
http://retrouprising.com/support/ret...dd-next/t2566/