6 downloaders, no reports of solving...
... and for a good reason, I might add.
It's April 2 in my timezone, so here's my shameful secret: I never really "designed" this level at all. I generated it using YASGen, a computer program. It has a "connected goals" option which can produce some surprisingly neat, human-like layouts.
I
selected it, of course, and human selection is mandatory -- I was able to reject quite a few candidate levels that were either boring or didn't look appealing enough. Having said that, I had to look at the solution (when generating) to make sure it wasn't something completely stupid. So, the even
more shameful part of the secret is that
I haven't actually solved the level myself. I tested it, I replayed YASGen's solution (that I optimized with YASO for ease of use) step-by-step in Wonderland, so I know it works and I know you're on the right side to exit. But I haven't solved it myself as a puzzle.
Considering the anti-logical nature of a few of the moves and that the best solution found by YASO involves at least 233 moves overall (not including walking to the exit) it's no surprise that no one has solved this level yet.
There are some Sokoban collections generated with computer programs, some of them are very hard. So the Sokoban community would probably accept such a level. Anyway, the "April Fools!" part is that you weren't engaged in a battle of wits of me. You were engaged in a battle of wits with a computer program.
Yep, it's a Sokoban puzzle.
Tbf though I came along pretty well back when this first came out; I just couldn't get myself to figure out what I had done all over again 
