Hi Keighn,
I never played Fracas, so working on it would be difficult.
I already did some work on Alibaba, but it felt like working on a beta version of Return of Heracles.
Concerning ACS, i don't think it was officially released on Atari 400/800, and i can't find roms of it.
Let me know if you can put a hand on it.
Anyway, you may check Dan Boris work on ACS:
http://www.atarihq.com/danb/acs.shtmlKroah