If you refresh your browser after getting the "Break Down" screen, but before getting your mileage progress, you will still have the money you earned but be on the same day as before. I found this helpful for getting the speedrun achievements as I suck at hopping windmills :o(
I second most of the comments made here; also, it would be nice if the clues disappeared from the left-hand side once their answers are found in the grid.
I keep expecting to be able to drag a letter to the front, instead of rearranging the entire word... I also have issue with some dictionary entries, such as the prefix "giga" and whatever "rndy" rearranges into.
Good game though.
The player should be able to input multiple candidates for each cell... if the feature is there, it should be easier to find. Didn't spend much time with this.
I second the problem about the lines not matching the "preview" image... the preview is always for the previous puzzle.
Should there be some sort of "You did it correctly" acknowledgment? It's difficult to get the pieces to line up seamlessly, and it would be nice to get some confirmation that I've got the solution.
 "Flight"){kind=icon}
 "The Word Game"){kind=icon}
 "Scent Trail Bot"){kind=icon}
 "Mondrian"){kind=icon}
 "Deep Sea Word Search"){kind=icon}
 "Wordpoll"){kind=icon}
 "Rain Words"){kind=icon}
 "Math Solitaire 24"){kind=icon}
 "Word Pop"){kind=icon}
 "Word Fission"){kind=icon}
 "Mario Tetris"){kind=icon}
 "The Imperium"){kind=icon}
 "Flash Sudoku"){kind=icon}
 "Turkey Fling"){kind=icon}
 "tanagram"){kind=icon}
 "Distortion Factor"){kind=icon}
 "DONT CLICK THE BUTTON! (Deluxe edition)"){kind=icon}
 "Puzzle Mania!"){kind=icon}