AstraZeneca and Amgen are among the winners of a competition that demonstrates how gamification can motivate companies and employees to tackle sustainability challenges. A single ultra-low temperature freezer can use as much energy as two American homes, he estimated. (Raising the temperature of food storage freezers can also produce useful savings.) Gamification hackGamifying the energy savings is “one of the hacks we use to drive impact,” said Connelly. Adding the awards and recognition pushes teams to do something that is already in their interest — saving energy and, thus, money — but which they might not otherwise act on.