Tip: When determining a time limit, remember that players won't be as familiar with the level as you are. If you normally complete the level with around 100s left on the timer, others might run out of time on their first try.
Since the last update, I haven't gotten much done with this hack. Other than writing down a few notes, there wasn't enough motivation into getting this done in a timely manner. However, after VLDC 12, I have gained a new interest in resurrecting the idea. I've even used new techniques I've learned from the contest.
Time will tell whether I will continue with the progress of this hack. In the meantime, here's some screenshots showing updates to some of the levels (inc. one from world 2).