Well, after speedrun some of the levels(and actually exploring them too), I think it's time to make some reviews(I know you're making a lot of major improvements, but I'll make my reviews anyway):
NOTE:I forgot what I'd say here, so I'll choose random stages to review, and as long as I'm remembering what I'd say, I'll post here, so let's go:
DDZ2:This level is actually fun to play, I had no problems with it, but there is just one thing here that I want to be changed: In one of the water slide sections, there's a slope right there, when it finishes, and it's so slow to pass through it, that even if slopes were added in srb2, Sonic wouldn't go through it at this velocity,so just increase the speed of the zoom tube, I know that this is just a minor detail, but it still.
GCZ2:I really hate those long stairs,in the raising quicksand section, before the crushers, Sonic can't thok when he's on stairs, and you should make an invisible(not climbable[sorry Glaber, I couldn't resist]) wall on the sides of the crusher section(the one after the "long ass" stairs), because actually all the characters can avoid these crushers, including Sonic(when you wait the quicksand gets it's maximum height, you can pass through the crushers section via quicksand).There are some more things to say... I need to go play it again and then come back here to say what it is, but aside from that, that's a really nice level.
Well, now I forgot almost everything that I'd say here, I think that this level pack is way too big to remember all the things to review(or I need of a cure for amnesia), I'll play some levels again and then come back here to finish this review, which will takes about 4 days, as I'm at my grandma's house and here I'm not allowed to download SRB2. =(
EDIT:
Okay, here's my honest review after playing this entire pack.
The levels are okay, but they all need to be cooler. I'd say this pack needs to be about 20% cooler.
I completely agree with him. XD