Check out my latest project! http://scratch.mit.edu/projects/23096797/ Check out my new... latest... project... that's newer! http://scratch.mit.edu/projects/23321318/ Click the green flag. Use the arrow keys to move. You can't stop moving until you run into a wall, and you can't change directions until you stop moving. The object of the game is to get to the goal (it's the animated blue square in the first level) in every level, using various mechanisms to do so. You can also press R to restart the current level. There are currently 20 levels.
All credit to @JereTheJuggler for the project. I just made it work properly in Scratch 3 (specifically the red MOB)