Harcore mode in F:NV is fucking awesome.
In my case, it made me start to feel that I really WAS in a post-apocalyptic wasteland and maybe drinking that irradiated water wasn't such a good idea.
I had more fun on my second playthrough on Hardcore than I did on my first without it.
"Lock the doors. Kill the light. No one's coming...home tonight. It's getting colder."
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