If you fail to break the employee's resolve before your meter fills, you lose your cool in a "meme-worthy" rampage and lose the stage.
This is the official release platform for Windows. It often goes on sale for a very low price.
Some developers also list similar "Karen Simulator" projects here, often with a "name your own price" or free-to-play model for macOS and Linux.
Rather than risking a "highly compressed" version that might be bundled with unwanted software, you can find the game officially on major platforms:
Developed by , this game is a short, satire-heavy experience where the goal is to "speak to the manager" and whittle down the emotional endurance of customer service workers.