Hats off. I'm not a pro but IMHO you are a brilliant (but also very nasty ) level designer. I love your work. I'm midway through the Headache levels and they give me headache for real. They make original Lemmings Mayhem levels look like a cakewalk.

The only one I'm not so excited about is your idea to reordering the levels. I guess this would make it really hard to further assign the (subsequently older) v2 replay files. And I fairly need them (at least to counter-check my solution).

BTW: What do you think about my solutions for Irritation 6 and Headache 4? Like it? Acceptable or backroutes?