flooder flooder is colorful game where player tries to fill the board with single color by changing the color of the tile in the upper-left corner this new color spreads to all neighboring tiles that matched the original color it' similar to the flood it mobile game this program also has colorblind modewhich uses shapes instead of flat colored tiles it relies on the recursive flood fill algorithm to paint the board and works similarly to the "paint bucketor "filltool in many painting applications