Hi, @Get_DOVAH_it
Thank you! 
What do you mean by “intense”?
The gun turret is the only position for the player (there was an idea to switch between two guns, but it doesn’t seem to make any sense).
The level of difficulty adds different types of ships, now attack aircraft, bombers, torpedo bombers, ace-planes, and not yet completely completed enemy ships are used. But the player can upgrade skills to make the game easier (damage increase, defense increase, and many more (there are 10 at the moment)). I will show it in next video-update and show it here.
There is no mechanics for displaying a destroyed ship, I did not think about it, because at the end of the level the player is simply given his statistics.