You say it is not a game. Well, yes AND no. A game is defined as an activity providing entertainment or amusement; a pastime. In that respect, I would say it is certainly a game.
I believe that what Mindark means by it not being a "game" is that i…
Sounds like you have armor on. That will make you lose breath very fast. Take it off before you go under, you will see a big difference. Just make sure to put it back on when you get out .