Finally, the bell! HURRAY! The break! You can play! You see, that the classmates are packing books, pens, notebooks and run towards the door... but something is wrong - the door is closed! Who has closed the door? Are you locked up in the classroom?
You need to urgently find a way out! It looks like it's not that simple ... an abuser has left a tip on the board - where to start? The key is somewhere close.