Roberts Space Industries and Cloud Imperium Games have announced a massive new funding milestone for the PC space sim Star Citizen–the game has now exceeded $1 billion in crowdfunding since the campaign launched in 2012. At press time, the game’s public funding stands at $1.007 billion from more than 6.5 million people. While Star Citizen is playable currently, the game remains in early access after some 10 years of ongoing development. Chris Roberts, the founder of Roberts Space Industries, said…