- Mail plane has dropped its precious cargo near Airport City. Now you'll need to collect the lost mail, deliver Letters of Hope to their destinations and build a Post Office. You'll need a special bonus to land Mail guest planes as well.
- Assemble Express Delivery collection by gathering lost mail around Airport City. (5)
- Land Mail guest planes (Golden Postage Stamp bonus required). (20)
- Assemble You've Got Mail collection by visiting Fiji, Madagascar or Easter Island. (5)
- Visit your neighbors and collect Stationery Knives by selecting the Lost Mail around their cities.
- Use the Stationery Knives collected from your neighbors or by purchasing a Large Mailbag item set to pick up Lost Mail around your city.
- Receive Express Delivery collection items from Lost Mail around your city by purchasing an Extra Valuable Cargo item set.
- Receive a Golden Postage Stamp bonus by complete the Express Delivery collection. Complete the collection at least four times.
- Activate the required number of Golden Postage Stamp bonuses until you land at least twenty Mail Planes at your airport.
- Purchase a Post Office from the store and complete its construction with items received from flights to Cyprus, Malta, Rome, Dubai, Shanghai or Berlin, or received as gifts from your neighbors.
- Collect items for the You've Got Mail collection from the Post Office, by flying to Long-Awaited Mail Flights, or by purchasing an Extra Valuable Cargo item set.
- Flights to Fiji, Madagascar and Easter Island required Letters of Hope, which may be received from Lost Mail around your city, a Post Office or from a Large Mailbag item set.
- Complete the You've Got Mail collection four times to receive a Mail Kiosk.
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