Back in 2012 Introversion Software launched the alpha of their game Prison Architect upon the world. Now, three years later, version 1.0 has launched to critical acclaim and has already sold well over a million copies, thanks to the team’s unique alpha funding model. Mere days before the official version 1.0 launch, we sat down with Mark Morris and Chris Delay of Introversion Software to see just how well their alpha funding model and regular early access updates worked out for them.