NeoLemmix: Revenge of the Lemmings v4.0 - Frenzy 4: The Aperture Science

Uploading some more NeoLemmix play, because I overthink things and so I find solutions (backroutes?) that I haven't seen in any other level completions on RUclips.
This time, we've got Revenge of the Lemmings v4.0, compiled by mobius, but with many many authors: www.lemmingsfo...