Accessible via Facebook tablet, your website or dedicated microsite
Participants complete a registration and have to find the mystery value (€, $, £, Km, m², L, …).
How to play
1. Fill out the registration form
2. Find the correct value
3. Share the experience with friends
We limit number of attempt to increase dfficulty and the number of new entries.
To start this campaign, log in to the platform or create an account.