For my case with Mass Effect, this app helped: http://easyresapp.com/ you can install it for free from app store and change the resolution as you like in mac os, the the same is inherited in the game. Source: about 2 years ago

Download Easy res from the App Store. http://easyresapp.com/ this is a menu bar utility that lets you easily change the internal resolution to whatever. Totally free. Source: about 2 years ago

Pro Tip: Install EasyRes (free) and change your monitor to the x1 setting for the resolution you wish to run in the game. Makes a huge difference to the number of pixels you're pushing, but the game looks exactly the same. Source: about 2 years ago

I have to use http://easyresapp.com/ - but other wise had no problems with the upgrade to 12.3. Source: about 2 years ago

I use Easy Res, makes it quick to switch resolutions/scaling. I use it for work as when screen sharing 4k is to much http://easyresapp.com/. Source: over 2 years ago

How about with a K instead https://getkap.co/. - Source: Hacker News / about 1 month ago

I thought it was Kap for a moment https://getkap.co/ similar name, similar product (but that one is ready to use). Also a bit confused as it seems there is nothing there besides an idea and a landing page. - Source: Hacker News / 7 months ago

Kap - Price: Free Screen recording app for Mac that allows you to record your screen and webcam with ease. Source: 11 months ago

If you want free yet still powerful, check out the open-source kap. Pair it with something like BlackHole to reroute your system audio into kap and you've got a great combo without spending a dime. Source: 12 months ago

I just came across Kap, via 👉 https://indiegoodies.com/awesome-mac-apps … maybe it fits your needs? I'll be trying it too. Source: about 1 year ago