Happy Cakeday!

I'm so sorry, It seems the key I sent you is for a game called "Save Koch", I don't understand why it gives you invalid key, because when I try to activate it on my steam, it works just fine, but since I already have the game, it didn't use it.

I will PM you the Planetary Dustoff key. :)

EDIT: Added you on steam, since I dont know how to send PM's here. :/