Create a simple game with one keyboard-controlled sprite and one object to capture.  The win condition is the player must move their sprite into the other object.  When the player hits the other object they win.  Make this game have a splash screen, a win screen, and a lose screen.  The transition between these screens is to be controlled by the world class variable "gameState" and the code to make the transitions should be found in the World's act( ) method.  See game7 for example code.