If this is from the fanatical bundle then the winner will not get the game this giveaway is made for. As a result the winner won't be able to mark the giveaway as received. Therefore you may want to delete this giveaway.
From Fanatical:
"Crazy Machines 1.5 will appear in your Steam library as Crazy Machines 1.5 Inventors Training Camp and Crazy Machines 1.5 New from the Lab. There will not be a separate library entry for Crazy Machines 1.5"