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It sounds like a good game but this small area made me wonder. What exactly do you mean by "just to survive"? Is it actually going to be possible to die in the game? Mind going more into detail if possible?
I have yet to download or play the game but I found a possible bug in the screenshots.
For example, in the "THE BEGINNING" image set, the lake/pond is missing a corner piece in the bottom left near the small bush/tree. A lake/land corner piece that is.