This is also known as Picrosses,Nonogram,Paint by Numbers,Griddlers,Pic-a-Pix,Pixel Puzzles,Crucipixel etc.

Pic-Pix is Picture Logic puzzles where you need to place the block to unhide the picture on grid. You need to determines which square need to painted and which need to remain empty to solve the puzzle.

Each puzzle has blank grid with clue on left of every row and on top of every column. You need to place block by click to grid cell to unhide hidden picture in such a way that each row and column black block length and sequence is corresponding to the clues and there is at least one empty square between adjacent blocks.