Weird Alpha Separation between sprites

Hi, I imported some tile maps to make a platformer 2D, I have some isses with some tiles, it shows (IN-GAME) weird alpha separation between them, in just some cases, not all of them, thats why its weird.

I saw the image created and its flat, with no alpha, I imported as Point and not Bilinear (anyway Bilinear gives me problems also, thats why I changed to Point).

I attached this image to show that in Editor mode, the separation is not at our eyes, but in game there is weird separations between tiles, this are squared tiles.

I hope you understand me and help me to make this game look as it should.

Thank you.