http://www.icslearn.co.uk/it-technical-courses/programming-game-design/video-game-design/ Bear in mind it's distance learning. How would an employer react when seeing this on a C.V? I'm wondering if they'll laugh and just move on to the people who went to University for their courses.

Probably not worth the cost.

Get yourself a real four-year degree. There is no substitute for it. You need it if you plan on having a career.