I'm not sure if this is the right place, but none of the other categories seamed quite right to me.

When Cognition first game out, I bought each episode separately from Phoenix Online. Tonight I saw GOG has a version called "Game Of The Year" edition (on sale for $3.75), and it says there are ways to alter Erica's paths (which I may have just never noticed with the version I have). Is there any difference between what I have and the GOG version, that it be worth purchasing that version (even easter eggs/bonuses)?

(I have posted in both GOG and Phoenix Online's forums, in hopes I get a reply in atleast of of the forums

I moved your post over to Adventure Game Discussions in the hopes that people familiar with the GOG version might be able to answer your question.

I just looked at the Steam page for the Game of the Year edition and it says the following: