Also known as "The Master of the Half-Finished Game," this technique involves starting multiple games and pretending to play them simultaneously.
Open multiple instances of the same game, each on its own window. Pretend to be playing each one, occasionally clicking buttons and moving the mouse to maintain the illusion.
Optional sub-subtechnique: The Fake Achievement Tracker
Create a notepad or spreadsheet to track your fake achievements. Write down arbitrary achievement names and pretend to have unlocked them.
Remember, the key to this technique is to appear engaged without actually being productive. Happy gaming!