If the game is glitched try pressing the flag twice. If DM will not appear, try pressing the right key. Use arrow keys and WASD to control DM. Don't touch the red. All glitches are in the process of being fixed.
Here is the Sequel To the Derpy Man Game on @Cozy316x page (https://scratch.mit.edu/projects/425781247/). This is by far the best one yet.