Design Challenges Season 43 started August 23, 2024 and ended September 20, 2024. It is the 15th season to include a Contest of Mayors building. Hot Air Balloons is from Contest of Mayors Season 12. It is the 40th season to use the Blueprint Exchange reward format. It is the 34th 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 The Paper Bag. This season includes 1 new limited-time building and 2 returning limited-time buildings. There were 7 challenges this season. They are City of Bridges, Trains Challenge, City of History, Smart City, Journey to the East, Americana, and Sports City.
| Reward | Blueprints |
|---|---|
| The Paper Bag | 2,000 |
| Treetop Adventure Park | 1,500 |
| Hot Air Balloons | 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 42
Next Season: Design Challenges Season 44
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