Tiled terrain need help please!

Hi, i finished the level, character and its animations, but im stuck. i want to do, just don’t know how…
All i want is a way to make my map, a huge map divided by squares of 5m each, the same way as the terrain editor does but only the border and every tile be an object and the tile im hovering the mouse and i clicked shows on, the others doesnt.

sry not english speaker

i did see something about voxels, but i just want it to be like a square on the surface! not blocks like minecraft, and every square is a object ! ty