Who are behind the fake accounts inciting anti-vaccine attitudes?

How to recognize a fake account operating on Facebook on your own? What can be done to block such an account?

Solving puzzles on Christmas

This time your ability to identify both locations and times when photographs were taken is being tested.

Who placed the poster at Maarjamäe?

Help Propastop find out who is behind the “SOS! Needs repair! ” poster on the memorial.

Answers to the picture game

How did you do with the Propastop Midsummer picture game? Compare your results and solutions with the correct answers.

Help, we have lost the time!

Put your intuition to the test in our Propastop picture game. Help identify what time these pictures represent and win a prize!