PC crowd funded game, Star Citizen has shot past the $50 million funded mark part of which has been generated by selling in game ships. By reaching this goal it means Cloud Imperium Games will create alien languages for the game.
One Ship, the Constellation Phoenix, is limited to 5,000 sales has pulled in over $200k alone. During the sale of the ships, funding for Star Citizen went from ~$40,000 a day to over $1.3 million in a single weekend.
For more information check out the Roberts Space Industries website.