Color Fill is a free online mini-game for all kids that uses blocks as a filling background color. The gameplay is very simple, you need to occupy the gray and black grid by moving the blocks, lay the gray and black squares flat into a background with color shapes, to collect all the diamonds in the game, if you want to relax and leisure, this game is the best choice for you. Color Fill,puzzle game,kids game,free online game,brain training,strategy game,diamond collection,color matching,spatial reasoning,relaxing game,educational game,kids activity,boys,puzzle,fun,leisure