Because it makes Stalker Shadow Of Chernobyl look fantastic!
Stalker Shadow Of Chernobyl (no offense to any fans) doesn't look that visually impressive today, and while that's more of a minor issue, somebody (True Zone Projects) went out of their way to make this fantastic mod.
I tweeted bout' it on my twitter (@DerpIsNotHerp)
Twitter.com
DerpIsNotHuman
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A really not cool human that makes sort of cool art I guess. Really likes indie games, will hopefully release one during his life time.