I love Spelunky. I played it almost every day in 2009. I’m still not tired of it.
Sometimes Jeff and I will be at the office, each of us playing Spelunky — inevitably, one of us will say, “Oh my god, you’ll never believe what just happened!” and then proceed to regale the other with a story of our latest randomly generated adventure.
In May 2009, I got an idea in my head that wouldn’t go away: what if I could make Spelunky update Twitter with these stories I love so much? And so I started right in on the project. You can see the end result here: @darius_spelunks. I also wrote a little bit about how I got GameMaker and Twitter to play nice.