Click on the Green Flag!
Thanks to Desert_Rat for a nice start to the project! I reused some of his scripts (in reverse) for the motion of two sprites. I added two more sprites: one interactive character (penguin) and one text block ("The End!"). When the thumbnail of my remix is displayed in a studio, it shows three of the sprites, but in the actual project, only one is visible at the start. I haven't yet figured out how to store it so the thumbnail matches the project's beginning state.