Using Metaballs water system for unity2d ?

How can i use Metaballs for 2d games? as we know metaballs are 3d and i also didnt find any other solution for 2d water like the game “where is my water?”
If any know how to create 2d water please tell me . thanks

This should help you.
https://gamedev.stackexchange.com/questions/69231/2d-metaballs-with-shader-to-give-blobs-of-water-effect/82976#82976