Goal: Split the balls in two different graffiti letters depending on their colour. Same coloured balls should be placed into the same graffiti letter.
Press on the next image to enlarge it. Then, you can download it and play it (the large image contains the game definition).
You can see the configuration of the game in the next two screens. The first one shows the initial positions of the interactive objects. The second one shows the rest of parameters: type of interaction, type of visualization, and behaviour of the red, green and blue colours in the scenario.
This case exemplifies how serendipitous scenarios can be converted into games. You could fortuitously pass by the scene you needed for your game. The graffiti used in this example was found on a wall on a street in Vilanova i la Geltrú (Barcelona).