Good game, good thing I got it for free when it was given away in steam. xD

I on the other hand missed it, so here we are..

I missed it too....

Thank you!

The key was already used.

Same problem for me,

i uploaded a screenshot of the message but it is actually not very helpful as it is not showing the key or game that was supposed to be activated.

http://666kb.com/i/d91slwph93lixoswu.jpg