For those interested about Another World and where Eric got the ideas for the game and why the sequel was on the Sega Mega CD only {and a flop compared to the first game} you should check out this recent interview from 2003 that was on French site Grospixels, which covers many topics spanning his career.
It is in French however.
http://www.grospixels.com/site/chahi.html
Bablefish Translation