Before I explain the gamemode, I want to make one thing clear: I am just sending this suggestion because I think people are going to like it.
I am not saying that you have to put it in the game. It is a suggestion. Do whatever you want with it. It is not a problem if you are not going to add it to the game.
The gamemode is something like "battle royale." I am sure you have heard of it. Off course it is going to be a little different than the original battle royale modes.
There are going to be around 20 tankers in one match, and you only have one life, obviously. So, you do not respawn. You can not use your own supplies. There are also no supply drops and no protection. Maybe it is a good idea to make battle royale mode of only a few hulls, Hornet, Wasp, Hunter, Viking and Dictator. The reason why is because otherwise everyone is going to play with either Titan or Mammoth, because of the amount of health. And maybe it is an idea to give every tanker three lives, so you do not get destroyed right away and not be able to play anymore. Once you have lost all your lives, you get your reward right away. So you do not have to wait for the last one standing. Your reward is based on your place on the leaderboard. If you are the las one standing you get more than the tanker who died first.
Again, it is just an idea and you do not have to do anything with this idea.
If you are going to do something with it, maybe you can change a few things or add some things.