Lemmings Plus ILemmings Plus I by namida
150 levels (5 ranks of 30 each). 17 talismans.
Features: Original skills, objects and tilesets only (except for one level that uses updrafts to simulate direct drop). Inspired by the structure of original
Lemmings, the pack's early ranks consist largely of 20-of-everything repeats of the later levels, and there is a once-per-rank level with each iteration progressively harder.
Lemmings Plus I is a reboot of namida's
Lemmings Plus series, which began with three packs for Cheapo in the mid-2000s. It contains remakes of the best levels from the Cheapo packs, signalling that the rest of those packs are no longer considered canonical. The pack was originally put together in 2009, under the title "Lemmings Plus DOS Project"; the engine was originally that of DOS Lemmings, but later namida changed the bombers to untimed. This was not only the inspiration for Lix to abandon bomber timers in singleplayer, but the first step towards namida making his own custom engine, which eventually became NeoLemmix. In 2014, namida remade the pack in NeoLemmix and declared this to be the official version of LPI; some levels were replaced or moved around at this stage, most notably "The Oddstack", which moved up a full rank, from Medi 16 to Danger 16.
Like many packs of the time, LPI is constructed in imitation of the original game as a whole, starting with easy repeats of the later levels, arranged from absolute beginner to moderately complex; even once the 20-of-everything levels are over, most levels are open-ended, and many are explorations of an idea rather than strict puzzles in the style namida would favour in his later packs.
This pack was, of course, immensely satisfying to finally beat, just because it's been on my radar for so long. You could say that I started it all the way back in the Cheapo days

and I even played a little part in the way the pack came to be built, since I saved 100% on a couple of the Cheapo levels where namida believed it impossible, and now the LPI equivalents require 100%

Danger 17 "Perfectionism" is one of these.
Difficulty: Starts at a beginner level, and works up gradually to beyond Mayhem in the Danger rank. The final rank, Psycho, is a big step up from Danger, and fully completing it is a daunting task, but even in this rank there are breather levels.
Favourite levels:
* "No Time to Die" has a really nice concept: a medium number (in this case 9) of each skill, but a low time limit, so that the puzzle is to coordinate multitasking as efficiently as possible. This concept would become a once-per-pack running theme of the Lemmings Plus series.
* "To the End!" is probably LPI's most famous level. A level that
looks like a long builderfest, and indeed has an earlier repeat which the player probably solved with many builders, gives 30 of each skill but
no builders. This concept, too, would be repeated across the Lemmings Plus series (though without the earlier repeat in most cases).
* "Cavern of Chills", "The Oddstack" and "Coalburner" are very tricky and devious puzzles that might seem impossible at first.
* "Variety Day" is a 1-of-each teaser with a clever trick in the solution.
Overall impressions: There are some tedious or filler levels, as expected for such a large pack, but also a lot of tough puzzles and neat tricks. I couldn't honestly say that this is a pack I think everyone should play from start to finish, but it is certainly one that every NeoLemmix player should try out. I'm looking forward to comparing it to later entries in the Lemmings Plus series
