The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. The trick is to pick the features that don't fight each other.

The core of what I do is solve problems, whether that's in graphic engine flow or rockets. I like working on things that are going to have an impact one way or the other.

One of the reasons microcomputers progressed so fast is people are willing to accept crashes. It's faster to build something and try it, even if it means you'll have to rebuild later... If you spent too much time building and massaging one vehicle, you don't learn anything.

The great games are the space sims and driving sims and these experiences where you're basically sitting at a table with nothing happening in front of you. A lot of interesting things are evolving there. There are great games that can be made.