I'll probably update the list from posts in this thread about once per day.
If you find anything listed incorrectly (missing / wrong contributors, badges, or whatever else) make a post about it.
DMarden117 maintains a neat table-style Simplest Solutions list at http://www.fantasticsolutions.tk.
Badges:
Solved - Design solves level without getting any other badges-
Champion - Goal ball eventually enters then remains in the goal area -
Boomerang - Goal ball reaches goal then returns to the work area, where it eventually remains-
Infinite Boomerang - Goal ball travels back and forth between goal area and work area forever -
Multiple Boomerang - Goal ball travels back and forth between goal area and work area some number of times
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Clean - Design removes itself from the level -
Sweep - Design removes all dynamic level objects from the level -
Green - Solution does not use any powered wheels-
Brown - Solution does not use any wheels-
Water - Solution uses only water rods
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Rodless - Solution uses only wheels
THE RECORDS
Level 22: Pit & Pendulum
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Clean Brown - 6650172 - 2 piece - osiris2 (& minisimp)-
Brown Champion - 6695798 - 3 piece - ID36 (& if(x), osiris2)Level 23: Chimichangas
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Clean Brown - 6390783 - 2 piece - skitters -
Brown Champion - 6726838 - 11 piece - ID36Level 24: Ack and Forth
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Clean Brown - 6440971 - 2 piece - Magnum1000-
Brown Champion - 6777067 - 3 piece - ID36Level 25: Tote 'em Pole
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Green Sweep - 6389850 - 4 piece - Layman-
Clean Sweep Green Boomerang - 1742717 - 5 piece - flagitious-
Green Champion - 6733154 - 7 piece - ID36 (& flagitious)Level 26: Canyon
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Solved - 6931872 - 5 piece - wackz-
Brown - 6746728 - 8 piece - nathanwitteLevel 27: Default
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Clean - 6650813 - 3 piece - minisimpLevel 28: Brick Layer
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Water Champion - 6394780 - 43 piece - r4riceLevel 29: Stuck
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Boomerang - 6886121 - 4 piece - redreoicy-
Infinite Boomerang - 6887851 - 14 piece - ID36 (& chris4a4)Level 30: Crown Jewels
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Clean - 6751766 - 3 piece - babyhir-
Clean Brown - 6652438 - 5 piece - Magnum1000-
Brown Champion - 6770140 - 5 piece - ID36 (& rabid squirrel, r4rice)-
Water - 6695421 - 6 piece - ID36-
Water Champion - 6770008 - 7 piece - ID36 (& rabid squirrel, r4rice)-
Clean Water - 6770378 - 7 piece - ID36 (& rabid squirrel, r4rice)Level 31: Projected
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Brown Champion - 6644695 - 5 piece - if(x)-
Green Rodless - 6725446 - 8 piece - ID36Level 32: Be a Champ
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Level 33: Sunset (I have removed "boomerang champion" on designs where the goal ball doesn't completely enter, leave, then re-enter the goal area.)
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Green Rodless Sweep Champion - 6696655 - 3 piece - ID36 (& BapfelOrange)-
Clean Sweep Green Champion - 6757889 - 3 piece - flagitious-
Brown Sweep Champion - 6746073 - 4 piece - ID36-
Clean Sweep Boomerang - 6745502 - 5 piece - ID36Level 34: Displacement
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Clean Brown Champion - 6731204 - 3 piece - redreoicy-
Clean Green Rodless Champion - 6916249 - 6 piece - redreoicyLevel 35: Gate Keeper
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Level 36: Fix Big Ben
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Champion - 6700625 - 3 piece - flagitious-
Boomerang - 6765878 - 5 piece - flagitious-
Brown Champion - 6650536 - 10 piece - minisimp (& skitters)-
Water Champion - 6803777 - 15 piece - ID36 (& r4rice)Level 37: Close the Door
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Brown Champion - 6595772 - 3 piece - Jaimons-
Brown Boomerang - 6696465 - 6 piece - ID36 (& Entity)Level 38: Skyscaper (Do we know if this spelling is intentional?)
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Solved - 6693813 - 5 piece - Stygg-
Boomerang - 6747451 - 6 piece - ID36 (& Stygg)-
Green - 6586081 - 8 piece - skitters (& Magnum1000)-
Green Boomerang - 6747038 - 9 piece - ID36 (& Skitters)Level 39: On the Edge
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Solved - 6732209 - 4 piece - Linkzcap-
Green - 6585676 - 8 piece - ~Jon~ (& Magnum1000)-
Brown - 6651602 - 15 piece - minisimpLevel 40: Sisyphea
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Champion - 6694710 - 6 piece - flagitiousLevel 41: Under Over
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Brown Champion - 6441291 - 3 piece - skitters (& Magnum1000)Level 42: More Balls
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Champion - 6693715 - 5 piece - Jaimons

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