Hello there stranger!
I love plastic and I made a bunch of maps already.
Sometimes you have some working but not consistent enough bits on your map that you usually trash and would not work on a proper map.
I realised tho, they can work by themselves in ~10s maps. Therefore Plastic Waste.
All ATs were hunted for ~1 hour so in case I didn't miss any mega lines, they should be somewhat of the same difficulty.
I hope you find something fun for you to hunt.
If you prefer you can find the campaign in my club - FatedToFail