Looks like a old poster or advert litograph.

this is most awesome
I like how the style changes with the depth
also the sweep in the colour range is most appealing

It reminds me quite a bit about those stylized propaganda posters I've seen from the Soviet Union.

Not that it's a bad thing or anything! I love the style behind it. All it needs is more polishing if anything. Perhaps, if you can smooth out how one color transitions to another such as in the background and foreground, it'll seem a bit more natural in how it flows.

I like it

My only crituqe is that the bottom section reminds me of cheesecake

I think the perspective on this picture is very difficult to discern. A lot of the buildings seem to not quite follow the same perspective as each other, its a bit unsettling. The building at the far back looks absolutely massive, like I am looking at something very far away, a combination of the atmospheric perspective you added and actual perspective. But the perspective, well, it just breaks a little all over the place, it seems you didn't plan it out for this picture. Buildings seem to go off at random directions and this is not a bad thing if it is the look you are going for, but it seems more like guesswork than planing.
I don't know at all what the horisontal bands near the bottom of the picture are XD

The colors you chose seem to be a cool-blue and warm-yellow mix, and thats a good one to go by. It looks very stylised here with the closer objects all being yellow, and the further ones more blueish. Usually when I see artists go with this color scheme they make the shadows of objects bluer, and the parts hit by light more yellow, and then for atmospheric effect put everything a bit more towards blue in total. In your picture it looks to me like the buildings closest are actually painted yellow, and the ones at the far back are actually painted brown, shaded blue by the distance. I can't really critique this as "Bad" without knowing if its the effect you want or not. Did you want to make a realistic painting or more of a stylised one?

Thank you very much this was very, very helpful.

I remember you working on this bud! I'm not sure what kind of critique I can give, but I'll try. It appears you were trying to go for an above below feeling while also trying to make it seem like some sort of poter from say, the early 30's to late 40's. That's a good thing as it appears you are using a sort of art style from that time period. I really like how the colors are rich and diverse too. But if you are gonna mess with city scapes in the future I think you could try looking at some European cities to work with something that doesnt seem to be a grid. Thats just a suggestion for next time, and you didnt do a grid I don't think. It just looks incredibly lovely! :D

looks very interesting :3

It's quite stark :)

Reminds me of a specific style of art in which basic shapes are used to make up the entire picture...
In spite of this... it does seem to fit its own style though, due to the fact some specific parts of the painting are more complex with linework and no clear defined shape, and where parts use a blurred effect with smudging to indicate depth, while maintaining a single, amorphic, shape.
I'm honestly confused if you were going for a specific style or using your own. It's certainly not minimalism, or surrealism, or cubism, or... anything... I can think of.
Still, it is a pretty painting in the end which probably should be the most important thing of all! If it didn't look this great, well... I dunno what to say about that. I suppose I should be happy everything you make is golden.