From: http://www.computing.co.uk/ctg/news/2475237/elon-musk-outlines-plans-for-mars-base-alpha "Musk also admitted to being a big fan of PC game Kerbal Space Program, which simulates the challenges of space travel, requiring real-world astrophysical calculations in order to succeed. "Kerbal Space Program!" Musk exclaimed when asked if he had heard of it. "Kerbal is awesome!" He added."