Puzzles of fantasy pictures

The game has three picture galleries: "Megacities", "Cars", "Characters of Russian fairy tales". At the beginning of each puzzle, the pieces of the picture are shuffled. The goal of the game is to move each piece of the picture to its place. The piece is highlighted if it is in its place. The game has three difficulty levels which can be changed at any time. At the easy and normal levels, the pieces can be moved in any direction, swapping the selected and final pieces. At the easy level, the number of pieces is immutable. At the difficult level, pieces moves only horizontally or vertically. The selected piece is swapped with each piece that passes by. The number of steps is counted for each puzzle.