I should avoid talking ... but really ... what represent that meshes ? Anyone could do it ...
Levels appeal comes from the amount of work , study and detail you put on them ...
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Okay, i stop it's some sort of work in progress, and it's indie game not AAA. I have just played Halo 4 the other day , perhaps that's the reason why i'm so hard in critics ?
But well ... you should really work on the level seriously ... but if you want to keep simple things and poor design keep them ... it's your choice !