Design Challenges Season 45 started October 18, 2024 and ended November 15, 2024. It is the 30th season to not include Contest of Mayor Season buildings. It is the 42nd season to use the Blueprint Exchange reward format. It is the 36th season to have rewards depending on Design Challenge Leagues. It takes 4,500 blueprints to unlock all 3 buildings or 2,000 to unlock the Feathery Mansion. This season includes 3 returning limited-time buildings. There will be 7 challenges this season. They were Population Challenge, The Great Wilds, Journey to the East, Water City, Spooky City, Mountainside Grandeur, and Beach City.
| Reward | Blueprints |
|---|---|
| Feathery Mansion | 2,000 |
| Ruined Bell Tower | 1,500 |
| Mansion of Horrors | 1,000 |
| 3 Platinum Keys | 600 |
| 3 Golden Keys | 300 |
| 2 of each Area Expansion Item | 150 |
| 2 of each Beach Item | 250 |
| 2 of each Mountain Item | 250 |
| 5,000 Simoleons | 50 |
| 50 SimCash | 200 |
| 100 SimCash (Silver League) | 250 |
| 5,000 War Simoleons (Silver League) | 200 |
| 200 SimCash (Gold League) | 300 |
| 5 of each City Storage Item (Gold League) | 400 |
| 5 of each Area Expansion Item (Platinum League) | 350 |
| 5 Golden Keys (Platinum League) | 500 |
Previous Season: Design Challenges Season 44
Next Season: Design Challenges Season 46
Gallery[]
Blueprint Exchange Heading
DC45 Promo
Letter announcing start of Blueprint Exchange Track Part 1.
Letter announcing start of Blueprint Exchange Track Part 2.
DC45 Reminder Letter.
DC45 Ending Letter.