Thermometers are used to unlock Characters, Skins, or Buildings and can be obtained in the following ways:
- Making Quagmire Strip Down in the Heat
- Making Joe Sweat and Slide Off His Wheelchair
- Making Mort Feel His Skin Get Oily
- Making Seamus Go for a Swim
- Making Global Warming Ollie Yell at the Sun
- Making Ark Builder Tom Tucker Watch "Evan Almighty"
- Making Ark Builder Tom Tucker Sort the Animals on the Ark
- Clearing Angry Fire Creatures