I set the game up to my widescreen resolution and I am in letterbox mode. Is this normal for this game or is there a way to fix it?

There's an aspect ratio setting somewhere which can get rid of the bars, but it still looks wrong; in widescreen all the characters look too wide, with the aspect ratio changed they look too thin.

I've got a display with 2560x1600 native resolution with 16:10 aspect ratio and can't for the life of me get the game to appear properly on it and both take up the full screen and not have some very strange FOV and stretching issues. If I look at something on the floor from one angle it is like 8 inches long, turn my head 15 degrees and it is 4 inches long. If I had 3D game vertigo like some people do I'd probably be vomiting all over my keyboard LOL.

The game's video options are terribly confusing. I really don't understand why a game can't just read the display native resolution from the video driver, compute the aspect ratio from that and just use that by default. If the display is 2560x1600, using grade 4 mathematics one can calculate it is 16:10 aspect, set the FOV accordingly. Some games force you to manually choose from 4:3, 16:9 or 16:10 which I always find unnecessary as it can be calculated automatically and most games do calculate it, but this game has an amazingly confusing array of aspect ratio options where you don't just choose the aspect ratio of your display but instead it shows like:

4:3->16:9, 16:9->5:4 etc.

I'm a former video driver engineer and can't for the life of me grasp what the hell it is they are trying to convey by having 2 aspect ratios linked by a "->"! I can make various guesses about it as I'm sure others can too but I don't want to guess, I want the game to fill every pixel of my display and have something that should be square look square, not look like a rhombus. LOL

The "Auto" feature makes the game look ok until you turn your head, then the whole world warps in squishy squashy way from what appears to be an incorrectly chosen field of view for the width of the display.

Game developers need to really support all common display types in their games and autodetect everything that can possibly be auto-detected unambiguously and use that by default without requiring the user to choose from confusing options that don't seem to do what one might think it should.

I guess the only recourse is to manually choose each option one at a time until the display visibly appears more correct like it does by default in 99 out of 100 games on the market. :)