Crystals are used to unlock Event Buildings at Winter Runway and can be obtained in the following ways:
- Making Carter Poke the Fireplace
- Making Jerome Save On the Electricity Bill
- Making Tom Tucker Report On the Weather
- Making Quagmire Do Warm Up Thrusts
- Making Jerome Serve Hot Toddies
- Making Mayor West Deny Global Warming
- Making Connie Wear UGG Boots
- Making Rambo Lois Stock Some Firepower
- Making The Green Witch Steal Some Coats
- Making Woody Get Close to the Fire
- Making Gamer Bonnie Fire Up the Competition
- Making QuagJoePeteLand Adjust Temperature Levels
- Making Steel Throne Dragon Breathe Fire
- Making Winter Chris Smell His Beanie
- Making Winter Peter Ice Skate
- Making Winter Peter Try On Twenty Sweaters
- Making Winter Peter Lick a Flag Pole
- From Crystal Shrines