Old MacDonald's is a timed kitchen game built for Clock In Sims, the satirical office-building simulator from Taking Time Back. You take orders, assemble them against the clock, and watch the fryer catch fire at the worst possible moment, because it always does.
The joke is the same one every kitchen job runs on: the customer changes their mind after you've already started, the till queue doesn't care that you're one pair of hands, and "the customer is always right" turns out to mean whatever the customer decides it means, this time, right now.
No account, no download, and no data collected to play. It runs entirely in the browser, saves your best time locally on your device, and takes about the length of one real shift to properly fall apart in.