I also agree that there are too many screens here with no significant changes between each. I don't think you should only show 1 or 2 and link the rest in an album in your comments.
That said, not too bad work here, everything is very clean and readable. But it feels a bit overly plain and boring, maybe more detail tiles?
This is fine (and others have done likewise)... it's showing different aspects of the game/mockup.
...Because the mockups were made at different times, and I just uploaded them all here today.
I was also trying to show what's happening without making a huge gif.
Don't need to submit that many screenshots if there are no significant changes.
Furthermore, you made two other entries of this side scrolling game.