Use WSAD or arrow keys to move. Press on the five buttons that do different functions. The first swtiches between two modes, edit and play. The second changes the theme of three background and three musics. The middle is the wall button, the fourth is the lava button and the fifth is the eraser button. In edit mode: Draw the walls around the map. Select the lava button and draw lava to make it harder. Erase the walls and lava by selecting the eraser button. You can use for deleting the unnecessary walls and lava. In play mode: Move to the green circle named, the finish. You can't pass through the wall and never touch the lava. Oh yes, the easiest level is that not to draw anything. And just go straight to the finish. The 2nd hardest level is that you draw as much as walls and lava as you can! The most hardest level, or known as the impossible level is that, draw a circle of wall or lava, either around the player or the finish.