All the challenges have been accomplished in collaboration just as SETM required...

The videos below can prove this!

 

We watched them all online on watch2gether...

 

...and decided to write in collaboration and send him a letter....

And SETM answered to our letter in a... different way!

In Cyprus...

 

In Greece...

 

In Bulgary...

In France...

We coded our Bluebot to find Electra ...

And we received SETM's answer :