have this problem making a test game (downloaded tilemap), and can't find a solution, in the archive the tiles have dimensions of 16x16 and have 2 pixels between each, on tilemap preview it seems good but on viewport and in game the tiles have a little separation (maybe 1 pixel), it looks bad, and I tryed with seamless on and off like you can see on image
link if you can't see image img.webme.com/pic/a/alchicorp/pixel%20problem1.png
first time at c2 forums, thanks in advance