Should not take you more than 10 minutes to complete each level.
For Haunted #4, you have to press the white truss key, it will turn black, then go back in time to the block! Or you can use your parachute to get down in the block.
Happy Halloween!
2010 Christmas obby:
http://www.roblox.com/Really-Fun-Christmas-Obby-place?id=54784259