We've fixed the bug with cursor off issue. So you can play in any resolution which you like. We've has made this patch live a week ago, but the updated the unity and this update has broke everything. So we are spent a lot of time with post game objects to new framework.
If you have any other type of issue, then please share with us with a player log and screenshots/video (better video). And we will try to help you.
output_log.txt you can find in folder Steam\steamapps\common\The Legions of Rome\game_Data
The Tambourine Team