Reply To: Using Unity 5.3.6f1 Personal. In the video about building the game, I used the Edge Collider 2D but it didn't work like t…

I’m not aware of any issues within 5.3.6. Whenever you’re editing the collider you need to click on the “edit collider” button within the edge collider component in the inspector panel. With that enabled you should see points on the collider that you can click and move around.