Only 1 color per line : can you fill in the grid ? The concept is super simple, it a bit like a sudoku game: you must fill the grid but you can only place the same color only once on every line. Are you smart enough to play this color game ?
You need to analyse properly and put only one of the same color per line.
This video is the solution for Only 1 color per line game. Here you will find the answer for each level of the first Only 1 color per line game.