I found making this list was harder than I though because I forget most of my favorites. Hopefully others will post theirs and remind me of those I played. 
So these are ones which I've played or remembered recently. (not my very top but levels I loved none the less)
Helper by Archie (mushroom)
Time suspension part 2 (rockdet)
Block Arranging ? (I don't actually remember this one but I wrote it down)
Overlap (rockdet)
Minigame (archie)
Cyrprus (Tyler)
Constant Vigilance ?
choose your own adventure (by ajmiam)
just Glide through this level
Blockade (archie)
Wormhole Blockage ?
Black heart transfer (archie)
Spumoni (Henry Potts)
Quinunx (Henry Potts)
Runaway Train (Tom)
So these are ones which I've played or remembered recently. (not my very top but levels I loved none the less)
Helper by Archie (mushroom)
Time suspension part 2 (rockdet)
Block Arranging ? (I don't actually remember this one but I wrote it down)
Overlap (rockdet)
Minigame (archie)
Cyrprus (Tyler)
Constant Vigilance ?
choose your own adventure (by ajmiam)
just Glide through this level
Blockade (archie)
Wormhole Blockage ?
Black heart transfer (archie)
Spumoni (Henry Potts)
Quinunx (Henry Potts)
Runaway Train (Tom)
my CC2 sets: Mobi's Challenge (166 levels)
Walls of CCLP2 (V2) presently: ~50 levels
"Not knowing how near the truth is, we seek it far away."
-Hakwin Rinzai
"Yeah, well, that's just, like, your opinion, man"
-'The Dude' Lebowski
Walls of CCLP2 (V2) presently: ~50 levels
"Not knowing how near the truth is, we seek it far away."
-Hakwin Rinzai
"Yeah, well, that's just, like, your opinion, man"
-'The Dude' Lebowski