this is... a genius idea you boldly say in your youtube video?. I read braille often... and use what is called a screen reader for using a computer... and was not able to even start a new game at all. No sound feedback when you open the game, it does not have even accessibility dll libraries built in, not even documentation on the keyboard shortcuts, input or controls you can use in the game menus or in the game play itself... you programmed these in, yeah?
and it turns out that the braille is displayed as an image on your screen, which... for non working eyes is like a car without wheels... instead of being able to be touched, by using a physical medium that produces it (think raised pins or tiny holes on paper... that is how you can actually feel and most blind people actually read braille)
So, sadly, not so genius.
I commend the effort but you should probably have had researched if games for the blind already existed... for fps I would recommend swamp by the developer Aprone, or if you want to try a free alternative look up operation blacksquare (with source code)
https://iamtalon.me/operation-blacksquare
or better yet, the road to rage which is also an online game by the same developer: