Persistence. It's what permeates the fabric of upcoming sci-fi odyssey No Man's Sky, and it's what will see the game well past its launch this summer. While eager to set out into a digital space that's populated with 18,446,744,073,709,551,616 unique planets, most gamers have expressed patience as developers march toward the release. Of course, expectant fans were disappointed by last week's confirmation of a rumor that the launch would be postponed from June to August, but some gamers reportedly were so angry they made death threats.