Overview
This guide will help you resolve small problems of unity games. It should work for most if not all of them.Unity games disallow borderless mode and max resolution for people who play in windowed mode.You will use startup commands, they will override the unity launcher.The unity launcher might show you wrong info because of that (just ignore it).Steam Library -> Right Mouse Button on Game -> Properties -> Startup CommandsTo choose resolution use:-screen-width 1600 -screen-height 900Swap 1600×900 with the resolution you want.Fullscreen:-screen-fullscreen 1Windowed mode:-screen-fullscreen 0Borderless Windowed:-popupwindow -screen-fullscreen 0*Names of quality settings might be different across different gamesYou can enforce the Graphics Quality too:-screen-quality 20 = Fastest1 = Fast2 = Simple3 = Good4 = Fabulous5 = Do Not Use until 2020To use more than 1 command, just separate them with spacebar:-screen-width 1600 -screen-height 900 -popupwindow -screen-fullscreen 0 -screen-quality 2