6 or 7, on a 5-is-actually-average scale
the 3D parts are still mostly bad except for a few levels, and the final boss is literally the worst thing I have played in any video game ever. 2D parts are all good except for one level. Boss battles are alright but nothing to write home about
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The Temple of Kraden, a forum for fans of Golden Sun:
http://z9.invisionfree.com/The_Temple_of_Kraden/index.php?act=site