Folks who own Monster Hunter 3 Ultimate on the 3DS and live in Europe might get able to get one their friends a free, digital copy of the game. The requirements are quite specific, but:
If you register Monster Hunter 3 Ultimate (Nintendo 3DS version) with Club Nintendo before 22:59 (UK time) on 30th June, you’ll be able to receive a Recommendation Code which you can pass along to a friend. If your friend registers a Nintendo 3DS or Nintendo 3DS XL system between 23:01 (UK time) on 3rd June and 22:59 (UK time) on 31st July 2013, and enters the Recommendation Code before 22:59 (UK time) on 5th August 2013, he/she will be eligible to receive a free Download Code for Monster Hunter 3 Ultimate on Nintendo 3DS!
You can visit the promotion’s page for more details.