Sniper Elite Giveaway #2

The code for this SteamGifts giveaway is hidden. This image (a screenshot from Sniper Elite 2 demo) hosted on imgur.com is the clue. Use your skill you get it, good luck.

Same as the previous puzzle the game is Sniper Elite. Ends on 25 April, 23:30 CET.

http://www.steamgifts.com/giveaway/[codehere]

This is hard or easy? Depends. I said in the previous puzzle giveaway it was very easy but many people did not solved it. We'll see that when the giveaway ends.

EDIT: 44 entries so far - 4 minutes left

Last minute hint: this image

Closed: Giveaway link

Hint image was from this thread.

Solution