Efficient Upgrade
Conduct a full upgrade on two of your airplanes, ensuring higher efficiency in your aerial operations.
Rarity
0.06%
Epic
Epic
Difficulty
66.67%
Common
Common
First Achievers
| User | Date | |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |
Latest Achievers
| User | Date | |
|---|---|---|
| 1 | ||
| 2 | ||
| 3 | ||
| 4 | ||
| 5 | ||
| 6 |