Clan tasks become available once you create or join a clan. You don't necessarily need your clanmates to accomplish these tasks. However, teaming up will help you complete them faster: clan tasks take into account achievements of all your clan mates.
The number of tasks you can have depends on your clan rank:
Clan rank
|
Tasks per day
|
---|---|
Clan rank
|
Tasks per day
|
G | — |
F |
1 |
E |
2 |
D |
3 |
C |
4 |
B |
5 |
A |
6 |
S | 7 |
As for the rewards, players can receive gold, keys and robot components. Keep in mind that clan tasks might vary for different commanders.