Baseline (Widescreen) Solution & Issues
Native support; Under: Options > Graphics > select your desired resolution and aspect ratio.
Depending on your graphics card's memory size, some resolutions may not be available through the menu. Simply edit My Documents\My Games\OFDR\hardwaresettings\hardware_settings_config.xml e.g for 1680x1050:
Code:<graphics_card>
<resolution width="1680" height="1050" aspect="1.600000" fullscreen="true" vsync="0"
Note FYI:
1. In my installation changing resolutions in game rather than in the menu can cause crashes.
2. The game would often forget the 'auto' AR setting after a restart at 5040, the FoV would be fine but menus and in game markers were massively increased in size!
Ultra/Super-Wide (21:9/32:9) Specific Solution & Issues
Due to needing to select an aspect ratio, I couldn't get the proper FOV on 21:9. If auto is selected, it was too squashed, but at 16:9 it was stretched horizontally. Still playable though.
Eyefinity / Surround Specific Solution & Issues
4k UHD Specific Solution & Issues