I have a macbook retina. I'm running into an issue where if I select the native resolution of the screen at startup in avernum (2880 x 1800) then only the bottom left of the game shows up on the screen.
It looks like the game is drawing 2880 x 1800 graphics, but they are getting stretched out so most are off screen... I'm thinking that for some reason the os is trying to scale up the resolution of avernum as if it were a non-retina supporting game.
I can play the game at 1440 x 900. I'd like to be able to see the HD graphics though.