And the Heavens shall tremble
Official Steam group of the reddit r/diablo subreddit. A lot of people have Steam already, so it makes some sense to have the r/diablo community here too.
How to add the Steam overlay to Diablo III:
* Go to your Library.
* Click "Add A Game" in the bottom left corner of the window.
* Wait for your applicatios to load and add Diablo III (or browse manually for "Diablo III.exe").
* You're done! For more convenience, consider adding this generated Steam link to your desktop.
Option 2 if above doesn't work
* Add DiabloIII.exe
* Right click Diablo III in your library and click properties
* Add -launch after the quotes in the target box
"X:\Games\Diablo III\Diablo III.exe" -launch