ices with different densities, sounds the same

Change request, not a bug.

it is bug, not request! you have logics? deferents ices must have defferent sound, OR why glass have it sound too? IT IS DEFFERENT MATERIAL!!! KAMON

Logic in a game where blocks ignore gravity?

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A behavior is only a bug if developers did not intent to have it this way (in this case it is clear this is intentional; blocks have no "density", only "solid or not")