Sunsoft 13: Doomsday
Lemmings: 50
Goal: 40 (80%)
Time: 5
Rate: 1
Skills: 20/20/20/20/20/20/20/20

Good: Looks funny and artistic.
Bad: Breaks the difficulty curve and is one of the most convincing pieces of evidence I can see that suggests that the Sunsoft rating was conceived purely as a bonus category rather than being necessarily more difficult than any other level. Seriously, though, an easy all-20 level this late in the game?? It's not the only one, too; there are two more later on. Also, I believe you have to build up from the bottom on the right a bit too much for my liking. And it feels very sloppily designed to have the lemmings walking on the letters, which I don't think happens in any other level.

You pretty much need the right-click feature from Amiga and DOS lemmings for that level; it becomes rather a problem when a port of Lemmings hasn't implemented it. It's included on the Mac, which has a key to press (which makes more sense than the right-click thing anyway), but it's impossible on the Playstation, for instance... took me ages to get past it (and on the Playstation you can't just ragequit and use a password because it actually uses saved games.... )

Steel areas work differently on the Mac – they're less forgiving than on DOS, where they're implemented quite lazily. I don't think the level is changed at all in the data file, it must just be that the way steel detection works has changed. The lose-1 Wicked 1 solution, IIRC, involves bombing just before the OWW and then bashing through the wrong way – steel detection only occurs on a single row of pixels or something, so the basher isn't detecting either the OWW or the steel area, because the detection pixels are "lower than" the first and "higher than" the second, even though his tunnel overlaps both.

What was your solution to "Compression Method 1"? As i'm aware, this is another one in which the DOS 100% solution involves bashing away the top few rows of pixels of the steel area in a way that you can't do on the Mac.

Just held escape for longer than a millisecond and it exited the program... this should at least be disabled on the mac version, where quitting the program is universally cmd+Q. Or perhaps just making it have to register distinct key presses for you to 'escape' more than once, instead of interpreting holding it down as pressing it more than once.

Also, based on what you said earlier – that the latest version is January, the mac is a bit out of date.

As for NES and Gameboy results, I definitely am not going to spend time anytime soon going back to try and look up individual level stats, if I can't find them already available effort-free on the web somewhere.  Actually I thought Finlay compiled such stats for various versions of Lemmings in his spreadsheets, so he may be able to assist in that regard.

http://dl.dropbox.com/u/15543016/lem/Lemmings%20Levels.xls
I don't have Gameboy stats on it, and the NES stats are very incomplete; I think the number of lemmings and the time limit on each level is there, but I only have stats information for the fun levels and their repeats, and I got that from you.

Funny how these things happen, isn't it? Finlay and I also knew each other on another forum (the ZBB) before happening to run into each other here.

You won't know him, but you may have seen Nortaneous posting on here; he's a regular on the ZBB these days too...

Can't find a version number but the last-modified date is in October, so probably not then.