Step 1: Open the game window. Yes, just click on it and let your fingers do the walking.

Ctrl+D

Step 2: Minimize the game window. Don't bother closing it, just hide it from view.

Alt+Tab

Step 3: Find a cat. Any cat will do, but preferably one that's sleeping or looking particularly cute.

Next step: Stare at the cat for an extended period of time 
Ctrl+Shift+Stare