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Water in the compartment would be cool but very very hard to make convincing. Things that should float (maps, pencils, etc) would not (float). Items shorting out and sparks flying, sloshing and splashing, all very hard to model.
Besides the majority of the time flooding is in the fore or aft (engine rooms / torpedo rooms). If water has reached the CC your in deeper stuff than water.
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I did a bit of digging in the fleet boat manuals. Didn't work the math. The control room water-tight compartment is a bit over 4000 cu ft in volume, and control itself is, obviously, at the top of the space. The trim and drain pumps themselves are in the pump room in there as well. (Neither motor is water-tight.)
Submerged, at neutral buoyancy, unanswered flooding sufficient to show on the deck in control (meaning the bilge sumps and all spaces below the control room are fully flooded) would result in immediate loss of the vessel. Flooding sufficient to float charts and pencils about would also flood out the pump room.
The question then is if the auxiliary tanks (safety, negative, and normal trim) could be blown fast enough to overcome 4000+ cu ft of seawater, or, failing that, if MBTs could be also be blown fast enough and if the air banks have sufficient volume to do both at the same time. That's where someone with the desire to do the math needs to look. The fleet sub manuals don't have easy charts showing total reserve buoyancy, extrusion speeds from tanks, etc. (Although safety and negative are rated for full 3000 PSI air, so they get dry in a hurry.) But the control room compartment is about 12% of total internal volume, so . . .
On my SSBN we could totally flood only two of the water-tight compartments and survive, even with an emergency blow. (And only one of the two at a time.) Any of the other three compartments flooding would result in sinking with no recourse.
Those calling for visuals showing control room flooding in the game just don't understand how these boats were built or operated. If the forward TR were modeled there you could show flooding since the deck plates are right above the bilges and water sufficient to slosh around ankles wouldn't be fatal amounts. But not in the control room.