Nice little game. It feels satisfying to hit the enemy. Level 6 gets pretty intense.
I thought first the title screen was generative AI, but it's not?
For your peace of mind: I changed it to:
What kind of AI-generated content is used? -> Graphics
However, this isn't correct, since only parts of the cover image were created using AI. If this site is requesting this information, it should be more specific.
Sprites and the rest of the graphics were created using traditional methods with appropriate editors.