How would a nuclear war between Russia and the US affect you personally? (Most recent public nuclear war simuation)

[BHAN85]

Yes, nuclear winter will affect the whole planet of anything more than 50 warheads are launched

But that's due to fire and smoke if the nuke is drop over cities.

If you launch underwater nukes, there's no nuclear winter effects.

Status-6 Oceanic Multipurpose System - Wikipedia

en.wikipedia.org

Besides those climate models are old, and modern information about that is classified, so who knows.

I think USA behavior last decade indicates that nuclear world war is not the end of world, it's just the end of the loser.

USA is not afraid of nuclear war against Russia, so they must have their reasons.
USA 20 years ago was afraid of nuclear war, but that is not happening anymore.