New game: Crash Dive

[v-i-c-]

Originally Posted by PanicEnsues

… isn't very realistic, since I don't think a submerged boat would be affected by the small waves in the game, would it?
…

Depends on the depth of the submarine and the height of the waves (I don't have the formula in my head). Beside wind driven waves there is always some swell.

Originally Posted by PanicEnsues

I know they had AA guns (that potentially could be used against another ship), but did they ever get cannons? I can't recall seeing that anywhere, can you point me to a reference?

Yes, sure, they had cannons.

For a quick start a look at wikipedia might help:
Liberty ship for example: Stern-mounted 4-in (102 mm) deck gun for use against surfaced submarines