Special attention to:
https://www.youtube.com/watch?v=KB-HsjgVS10
Though it's a bit more video-gamey.
Bet with PeH:
I win if Arms sells over 700 000 units worldwide by the end of 2017.
Bet with WagnerPaiva:
I win if Emmanuel Macron wins the french presidential election May 7th 2017.