Like some people go forwards when they see a new challenge, I went the other way and focused on the Lunatic levels. Here are my full set of results so far, with replays highlighted in bold. Any errors please mention. I'm trying not to confuse the Climber with the Floater or the digger with the miner.
1. Builders+Bashers+Miners+Diggers (Same as Proxima's 4 skill solution)
2. Builders+Bombers3. Builders+Miners
4. Climbers+Blockers+Builders+Bashers+Miners
5. Climbers+Blockers+Bashers+Miners, Climbers+Builders+Bashers+Miners
6. Builders+Miners+Diggers
7. Blockers+Builders+Diggers
8. Climbers+Builders+Miners (Same as my minimum skills solution)
9. Climbers+Builders+Bashers+Miners
10. Floaters+Builders+Diggers
11. Builders
12. Builders+Bashers+Miners, Floaters+Builders+Miners
13. Climbers+Builders+Bashers, Climbers+Builders+Diggers
14. Builders+Bashers
15. Builders+Bashers+Miners+Diggers
16. Climbers+Builders+Bashers+Diggers
17. Climbers+Bombers+Builders+Bashers
18. Blockers+Builders19. Builders+Bashers+Diggers
20. Climbers+Floaters+Builders+Bashers
21. Bombers+Builders
22. Climbers+Floaters+Builders+Bashers
23. Climbers+Floaters+Builders+Bashers24. Builders+Bashers+Diggers
25. Builders+Bashers+Diggers
26. Builders+Diggers27. Blockers+Builders+Bashers
28. Blockers+Builders+Bashers+Diggers29. Blockers+Builders+Diggers
30. Climbers+Builders+Miners+Diggers
31. Diggers32. Floaters+Builders+Bashers+Miners
I also did Manic 25 with Builders, Bashers & Miners and Manic 30 with Floaters, Bombers, Builders & Bashers.
Edit: Replays updated!