21: That was a nice use of a Stoner staircase, placing it inside a Digger shaft. I have never seen that before. Thus, you can figure this part was not intended. Making the Basher go through, as well as stopping the Shimmiers with Stoners etc., that of course was all as intended. Interestingly, almost everyone seems to platform over to that half-ball on the left wall, instead of gliding onto it and digging it away to allow Climbers to get up. The latter has the downside of the Climbers splatting unless you make them Shimmiers. I think this is how people end up saving some skills: If they platform over, there is no splat height, so the Climbers can just fall back down again safely.
22: Very close to intended; making the Miner go through apparently is not required here (I think I've seen another solution already where that wasn't done either).
23: That was almost more complex than the intended solution, but in exchange, it was probably less precise than the intended solution (which uses the Blocker instead of multiple lemmings, as you did, to time the other destructive skills inside the Miner tunnel correctly). And in spirit, it's much closer to the intended one than most of the slightly easier solutions I've seen for this one.
24: Valid alternative solution.
25: Now THIS is another nice trick I had never thought of - using a Basher staircase to make a Stacker's stack walkable?
I really need to start enforcing this on some levels now!
Even though you used Shimmiers to do this in this particular example, it should also work with Jumpers, but most of all, also with Walkers. In other words, this is a trick I could have discovered a long time ago, even before these two new skills were introduced. I can't believe I never considered this!
26: Well, you did send the lemming to Hell and back, which is more than I can ask for based on the other solutions I've seen, so this is fine!
27: This is another one where countless solutions seem to exist, yet all of them are equally difficult. Making the Basher and Miner go through will usually be required, simply because the destructive skills are so limited - but slipping through the terrain of that same Miner tunnel from the other side, that must have been very precise
, so that wasn't necessarily required.
28: This one is open-ended, anything that works and uses all or almost all skills is fine.
29: Nice job saving everyone here!
30: Close to intended. Somehow people always just seem to trap the right crowd between a Stacker and a Blocker, instead of using a Digger pit, as I did.