Have a Sim give birth to triplets.

Have a Sim become both max thin and fat within a lifetime.

Have a Sim with 12 or more Traits.

Have 15% happiness

Have 50 transport lines

Have 5 Police Headquarters

Keep the crime rate under 10% for 4 years straight

Name a road "Steve"

Apply a policy to a district you created

Inspect a police building 50 times in a row

Purchase a new map tile for the first time

Have a look at all the different info-view panels

Produce all electricity without using raw materials.