Design Challenges Season 6 is the sixth Design Challenge season in SimCity BuildIt. It started August 6th, 2021, and ends September 2nd, 2021. It contains 2 old Contest of Mayors buildings from Season 6 and 1 new building. It is the third season to use the Blueprint Exchange reward format. It takes 4,500 blueprints to unlock all 3 buildings or 2,000 to unlock the University Auditorium. There were 7 challenges this season. They were Arabian Nights, Smart City, Mountainside Grandeur, City of Bridges, Entertainment Capital, Green City and Journey to the East.
| Reward | Blueprints |
|---|---|
| University Auditorium | 2,000 |
| University Campus Center | 1,500 |
| University Campus Park | 1,000 |
| 3 Platinum Keys | 600 |
| 3 Golden Keys | 300 |
| 2 of each Expansion Item | 150 |
| 2 of each Beach Item | 250 |
| 2 of each Mountain Item | 250 |
| 50 SimCash | 400 |
| 5,000 Simoleons | 50 |
Previous Season: Design Challenges Season 5
Next Season: Design Dash Season 2