One of the most fun things about games is learning. It's learning the game and getting that knowledge for yourself about this little world. The only … - Derek Yu

That's how you make [a] game feel truly alive: you cut out the mundane stuff! [...] I think this pursuit of "realism" to make games feel more immersive— it's kind of a dead end.

No matter how built up you are [in any Spelunky game] and how powerful you are, there is always that slight chance that it could all be over. It's exciting. It's not done enough in games— especially in modern games. [...] Real life is a huge inspiration for me, in terms of how real life works. We're trying to move towards "realism" in terms of graphics and things like that, but it's stuff like instant deaths that I think are more connected to real life from an interactive standpoint, which is what games are all about.

A degree is a piece of paper that says you can do something in theory— game developers want to know that you have enough passion to do real work, regardless of whether you're being graded on it. And if you're thinking of going indie, it won't matter what other people think— you'll simply need that passion to succeed or else you won't.