Free key I received in a Bundle and I already have the game.

Medical research worth funding :

• DRACOs have been effective against all viruses tested so far. Join the movement to #EndTheVirus
  https://www.indiegogo.com/projects/dracos-may-be-effective-against-all-viruses/

• Ensuring the Development of Medicine for Aging
  https://www.fightaging.org/fund-research/

If anything, please post the following on your social media accounts, thanks :

DRACOs May Be Effective Against All Viruses. Join in to #EndTheVirus with @killingsickness http://igg.me/at/EndTheVirus