As good as... Can't remember if there were 6 or 7 areas but I had big trouble already with the third. And after I read on the PS Trophy guide site how hardcore trophy hunters had to put days if not weeks into the last area, I decided to give up. The last challenge area is like the last boss fight in the campaign on hard but like 5 times more difficult.
Have you tried it?
I got 1000 points for my gamerscore off of that game - it's 6 challenges. THey are very hard.
God Hard mode is much harder, though, form what I've played.
Wow. Respect!!!
If you ever intend to go back and roll those challenges, watch some Youtube videos first, they can help immensely.
For instance, the third one:
You shouldn't expect to be able to do as well as these guys but they do give good indications of how to approach situations