Game Crashes After Changing RenderAPI to OpenGL

An error occasionally occurs after changing the RenderAPI setting from Metal to OpenGL in the game's options.

Unfortunately, the game becomes unplayable — it crashes instantly on load with the following error:

Switching the rendering option to OpenGL causes this crash:

✅ Solution

It’s actually very simple:

1. Open the following file in TextEdit: ~/Library/Application Support/Blizzard/StarCraft II/Variables.txt (where ~ is your home directory)

2. Change this line:

GraphicsApi=OpenGL3

to:

GraphicsApi=Metal

3. Save the file, restart the game, and enjoy!

P.S. Thanks to this topic on Blizzard forums for helping locate the settings file.