As most will know Lemmings were very popular when it came out. Due to this, they inevitably appeared in a whole lot of shifty software and demos etc. In this thread I will post any I come across!
First off we have the true names of skills in a cheat menu of a cracked version of the Atari ST port:
(http://i.imgur.com/YByMlsz.png)
(Note: Saying yes to both of the confirmation options causes my emulator to completely crash and close)
Also on the atari ST is a large series of pirate multi-disks which are themed on lemmings, I still haven't gone through them all but these are the best things from them I've seen yet:
(http://i.imgur.com/aD4oBF5.gif)
(http://i.imgur.com/vCU6PfS.gif)
And finally for now, a strange demo on the amstrad CPC, hidden under a spoiler for some large swears
(http://41.media.tumblr.com/5b288ee7476de2e37984faee46be618e/tumblr_nx71gqPTuN1uhjv1do1_1280.png)
I'll post more when I find it 8-)
(For those interested I also run a blog (http://wereware.tumblr.com) that specialises in this kind of thing, because I love it)