YotYot wins due to being the only participant and gets to make WACC6. Although his entry wasn't excellent, it was still pretty tricky.

Received entries: only 1
BASIC RULES:
-Puzzle area: A thin line with 0.5 or 1.0 solid real walls surrounding - either 3x40 to 100 units or 40 to 100x3 units. No objects to be placed on walls.
-Puzzle elements: Up to you.
-Puzzle type: Creative/new, reasonably long and hard
Scenery, storyline, dialog, music: Optional, but unfitting choices are prone to losing points.
-You may only have one wlv.
I have made a sample level for those who need inspiration. NO COPYING! You may use variations of the examples.
I made this example a while ago, so it may not be up-to-date.