you cant complete the game without premium, complete implies doing all the content, you cannot get all the amulets with premium.
Completing a game in GemCraft = playing through the entire storyline. If you -must- be a completionist about the amulets and battle modes too, well, 5 dollars.
BTW what happened tot he replaying levels for xp? wasnt watching when i replay, but you only get the difference if you get above your previous score.
This is the same as in Chapter One and Chapter Zero. To get more exp out of a level, you have to beat what you previously managed. Chapter Zero had the easy-mode version of having a handful of variations of each level, but each variation still only granted exp once.
After fights, sometimes when i mouse over an amulet i got it wont show what the amulet was for. It seems to happen randomly, but all amulets that i won in that fight are affected.
I got that once too. I think it'll be patched soon, though (when it's reported enough and the developer has time to solve it).
And my first nonreply-y thing to post:
It bothered me that the second epic field was lvl 30 minimum. I was lvl 22 when I found it. 3