I've conquered the hold, and have one secret and one unrequired room to go. At this point I figured I'd post my demo set since I think there were some rooms that I did break.
Here are comments for the rooms I've played
SC lvl 2:
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×1S2W: This one was a bit fiddly, but not too bad in the end.
1N1W: Pushing the mirrors, while mildly annoying at times was fine with me.
1N2W: I liked this room a lot, even though it did feel like it was a bit like two rooms glued together.
3W: This wasn't too tough, I'm used to the tar clearing tricks like this.
1S3W: I really enjoyed this room, I knew I had to do some fiddling with the roaches, and was rather suspicious of the tarstuff, unsurprisingly it was necessary.
1S1W: This was a fun room that didn't require too much work, but I really love rooms like this one.
1S: Another clever room, it was pretty simple, but fun.
1N: I like this kind of room.
SC 3:
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×
1N1W: I definitely broke this room, I didn't use the guard or the switcher.
2N: A simple enough manipulation room.
1N1E: Once I realized I could get the mirror out before stepping on the plate, this was pretty simple.
1E: The biggest problem was getting the guard across, the rest wasn't too bad.
2E: This was a bit fiddly. I feel like I broke the room by putting a decoy on one of the pressure plates. I'm not sure how I would manage it if I couldn't break the room. I want to ask for a speed potion here since it would make that part of the room less painful.
1S1E: Not a bad room, it wasn't too tough to get rid of all the gel.
1S: I managed to kill whatserface without clearing all the chambers, I think I could have save the northeastern one, which I didn't really know how to do.
1S1W: A pretty fun room with a nice trick. I almost want the golem door to be a toggle, it would be a bit nicer for moving the golems around.
1W: This room wasn't too tough, and I like it.
2W: I knew what to do pretty quickly, but it was really fiddly and I took a lot of trial and error to keep the guard from killing everything. I think if I had a speed potion, the manipulation would be much more manageable.
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If you need to think outside of the box, then you didn't build a good enough box.