I originally wanted to do a small collection of Halloween-themed cartoons, but upon hearing about Ben Spurgin's death; I cancelled it out of pity. Truth is, I usually do plenty of test animations before I do something ambitious, otherwise I get frustrated and cancel it. Believe me, I have tried to do several huge projects only to give up on them for at least five years (that's how long I have had Flash MX). However, I will make something worth submitting regardless of how original, long, or well-animated it is.
On a different note, a couple of videos I've found...

Hellsinker:

First two stages from the 0.95 demo:

Secret Stages from the complete version: