Challenge 1

Hello Guys.
This is your teacher N. I am hiding somewhere in Cali.
Guys, It seems you are trapped inside the Colombo. Please, your challenge is to complete each mission that will lead you to exit of the institution and continue with the rest of the missions.......Remember there is a KEY WORD hidding, write it down, you will need it....
Good luck and please... do not reveal to anybody your location...Do not trust anybody........