Spooktacular is included in the price of daily admission (no extra ticket purchase required).
Free candy (Trick or Treating)
Lots of characters
Dance Parties
Tons of different activities available for a small fee (cookie decorating, sand art etc.)
Sesame Halloween show
We went 2 yrs ago and had a great time. My kids all wore costumes, I don't remember what other kids were wearing but they must have had them too because I don't remember mine looking different than everyone else.
It's nice that it's included with the admission and not terribly crowded...
We loved it too. Didn't dress up and enjoyed that it was free. It is crowded, but it kind of helps to wait for the beginners to get through the line and then go. There is plenty of candy left...and healthy items.