Puzzles solved by Pietrek
35House on Frederiksø (Denmark)Łukasz Skorwidersolved 4,555 timesSolve puzzle
35Reichstag building in Berlin (Germany)Rudi1976solved 2,661 timesSolve puzzle
35Gdańsk Old Town on Motława River (Poland)Nightman1965solved 4,998 timesSolve puzzle
42Still lifeNilanjan Bhattacharyasolved 17,504 timesSolve puzzle
150Composition of flowersMichael Thompsonsolved 7,314 timesSolve puzzle
40Reine (Norway)Filip Falińskisolved 10,017 timesSolve puzzle
35Blue-and-yellow Macaw(c) kalantzosolved 13,323 timesSolve puzzle
60Strawberries(c) Melanie Defazio - FOTOLIAsolved 3,989 timesSolve puzzle
40BMW M3 conceptDaniel Rychciksolved 10,250 timesSolve puzzle
30Oliwa Cathedral in Gdańsk (Poland)Nightman1965solved 19,325 timesSolve puzzle