There's a lot of good advice out there about game development, and a lot of bad advice. Today, I took to Gamasutra's Twitter to try to get a taste of both the best and the worst.Common themes?: Just start it, just finish it. And in between, don't forget to screw up, to fail, to iterate and to remember that falling on your face early and often is all part of making good video games.We collected some of the best answers below, from game developers from all corners of the industry. Whether working as a hobbyist, triple-A developer, indie or otherwise, there are common pieces of advice that are applicable, no matter what kinds of video games you make.As always, if you'd rather not be included in this story, just tweet at me: @krisgraft