Yes, I did solve all 400 levels. Some of them are hard, but not nearly as hard as some of the other Ribbon Puzzles listed below.
Other Ribbon Puzzles
Ribbons Puzzle Game
TAPES - similar to Colorbind. Excellent
Woven - easy
Colorbind - the first of its kind. Genius
Twisted Lines - very hard
Spreadset Easy til you get to level 7 or 8