Here is a simple tutorial on how to customize the resolution for the OVERLORD ESCAPE FROM NAZARICK game.
How to set any resolution for the game
To change the resolution you need to right-click on the game title in your Library in Steam and select Properties.
Under launch options write:
-screen-width 1920 -screen-height 1080
Where 1920 and 1080 can be changed as you wish.
You can now play your pc game.
Here is the option for 1440p (2k)
-screen-width 2560 -screen-height 1440