Hey, this looks good. Naturally, things could be inproved:
1st Picture - Absolutely fine.
2nd Picture - Very "Pipe World" inspired!
3rd Picture - Umm... the water ruins it.
4th Picture - Are cement blocks the best?
Apart from the last two this looks good. I will play tommorrow and I will edit this post with my review-kinda thingy...
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Did you know that Peach hates Mario? I sure did.
I created a level for this!