Add grid to the board

[vahnag]

It would be great to have a subtle grid on the board to make it easier to see where the block is going. Or is this against the rules?

[ovidiuch]

I think a grid might not look good visually, but I understand your pain. I have another friend who complains about not seeing where the piece is going to fall, and while it is part of the game's difficulty, I am considering implementing a "drop shadow" in the future, which shows you exactly where the piece will fall from the current position. Eg.