Hey, I'm working on something in unity with this asset pack. My recommendation is to create prefabs for the tiles and then you can hold v while selecting tiles to snap them together.
Also for the animated water in unity I would recommend first slicing each of the tiles in 32x32 and then rename them so they are in order for an animation.
If you see lines between your sprites put them into a sprite atlas which is good regardless as it allows one access of an image rather than different files.
Awesome, that is swell to hear.
Not to tell you your business, but in case you didn't know, Unity by default renames the individual sprites by the Spritesheet file name and a _0, _1, _2 and so on and so forth, left to right, top to bottom. As such if you are planning to make sprite sheets specifically for unity putting each animation frame next to each other allows for them to be easily sliced into 32 x 32 frames and then animated without renaming the frames individually.
*Disclaimer, I know very little on pixel art/sprite sheet creation you would know better what is feasible for you. So disregard this advice if it suits you to do so
