Burger Entropy is a fast food restaurant chain popular on Riesel and several other worlds. As the name states, they primarily serve burgers, but the menu is vast and caters to many different types of biology. The food is notoriously greasy, fattening, and delicious.

The restaurant is frequented by Runge and Ramy.

Behind the scenes

"Entropy" is a loose synonym for "destruction/decay/degeneration". It's also what the Second Law of Thermodynamics describes as a measurement of how organized or disorganized energy is within a system.