https://youtu.be/I-SDgNz9SSo

Hi all! This is my first attempt to make teaser to my game. I try to restrict myself with 30 second, but get only 40. https://ldjam.com/events/ludum-dare/41/the-king-of-the-hill

I started with Adobe Premiere, but can't finished and switches to OpenShot. What free software can you advise?