No offense, but I think a Cold War version would get mighty boring. Unless it's a hypothetical WWIII scenario, you wouldn't get to shoot at anything... you'd just go listen to stuff and follow other subs. Of course, you'd have a bigger boat to walk around. You probably wouldn't get to go aft though, since the Navy would have a hissy fit if someone modeled one of our "confidential" nuclear engine rooms, even though there's really nothing of interest there, either.
Modern day subs would be boring too (I know... I was there.)
Even if you did had a hypothetical WWIII scenario, you can't use the scope... that damn thing gets picked up on radar the second it breaks the surface... so you'd be doing sonar-only intercepts the whole time.
If it's set in the future... uggh... no thank you. I can't stand any game that's not based on reality.
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