for whatever its worth, I've run into a glitch at the same point in Exile, so there may well be a weakness there.
In my case the game very occasionally crashes to desktop when I put in the third page. I always save right before that point so I dont have to back up too much. (and I have one after it in case plan A fails)
I had the copy of Exile that didnt always give the correct marble key to get into Voltaic.
I've also had my mouse develop sloth-like characteristics in Tomahna & gone into dizzying whirls in Edanna
Other than that, it runs fine......
But it's so pretty a game, I find it worth putting up with a few bugs. heh
*swats her arm*
Sirrusly, its a fun puzzler. I wish we had more games like it!