Horizontal Moving the Vertical

Sorry if I didn't describe the previous game's mechanics, I was distracted by these worryingly breaking game menus, and I was trying to find the cause of all of this mess. I just wanted to make a puzzle collection just for you, but it led to a massive calamity of broken games due to a bullet hell style on a template. Come to think of it, I did make three boss levels with that same gimmick. Could it be…