May I request that SuperLemmix be given a spot in the OP? By now, the feature set is solid enough that it easily stands beside the other engines mentioned there, and it's currently-maintained which I'd say affords it a bit more Forum visibility in topics such as these.
I'd also suggest adding the various options for Amiga emulation, which (whilst not free) do offer a generally good user experience for those who want to emulate the Amiga version.
Finally, I'd recommend renaming the "SuperLemminiToo" section to "Lemmini Series" or similar.
Here are the suggested entries, please feel free to make any necessary changes:
SuperLemmixA fork of NeoLemmix tailored towards those who prefer a more traditional gameplay style. The player assist features are still there, but they can be easily deactivated by pressing the "Classic Mode" button. Classic Mode makes it possible to enjoy a more retro Lemmings experience alongside the more modern conveniences that these engines provide.
SuperLemmix ships with the full set of classic DMA levels, unedited and presented in the original Amiga colour scheme. As with NeoLemmix, it's also possible to play custom levels and create your own using the dedicated Level Editor, which has been updated with SLX features and given similar UI upgrades to make it easier and more accessible to use.
SuperLemmix also adds a few new skills (Ballooner, Ladderer, Freezer, Grenader and Spearer) as well as re-introducing the Timebomber as its own skill (alongside instant Bombers). There are plans to add 2 more skills to bring the total up to 28 - get involved in the discussion
here!
Physics tweaks include re-implementation of Direct Drop, plus the Shimmier -> Climber overhang transition and Jumper wall bounce from
Lemmings 2: The Tribes.
There are also several UI improvements including a Playback Mode for binge-watching replays (or checking your pack for backroutes!), an updated Replay Manager, and larger menu screens with full keyboard support for easier browsing. There are also a number of other bugfixes, tweaks and general spit and polish.
Click here for a full list of the differences between NeoLemmix and SuperLemmix.
Visit
the SuperLemmix board for fanmade level packs, discussion and suggestions for development, records tables and more to come - the engine is currently maintained and open for suggestions and bug reports.
Amiga EmulationThere are several options for the Amiga route, but these are not usually free. The Kickstart ROMs are still under licence, and at the time of writing this are only legally available from Cloanto. You can get them as part of the Amiga Forever pack, or with a bit of effort you can get hold of the Amiga Forever Essentials for Android set (for less than the price of a cup of coffee!) and copy them to your PC using
this method.
The 3 main options for Amiga emulation are:
FS-UAE - free (but you'll need to get kickstart ROMs) - very user-friendly and attractive interface, perfect for those that want a quick plug-and-play experience. It's not as powerful as some of the other Amiga emulation options, but it's more than enough to play all Lemmings games.
Amiga Forever - not free (value edition is €20 at the time of writing) - more than enough to run Lemmings on an emulated system you can customise and build yourself. It's essentially WinUAE packaged in a more user-friendly interface, whilst also providing support from the friendly devs at Cloanto.
WinUAE - free (you'll still need to get those ROMs, though!) - if you just want to play Lemmings, this might not be your best options because it takes some effort to get everything set up and configured properly, but it's an excellent choice for Amiga fans that want a more finely-tailored emulation experience.
There is also
RetroArch, which is a free and open source frontend for emulation of many retro consoles including Amiga. Get the Kickstart ROMs and a copy of the Lemmings ADFs and you're good to go; setup is fairly straightforward, and RetroArch offers many customisation options.
All of these options offer save states, current support, and other mod cons.