Players are responsible for managing various aspects of their prison including staff, building new cells, finance, and keeping their inmates happy.

The player's role is of both architect and governor with sandbox micro-management themes such as choosing where to put lights, drains and how they connect together.

This year's Steam sale was the biggest ever for us and we're astonished to be able to announce that we've sold over 2M units of Prison Architect on PC/Mac/Linux and generated a little over $25M.

This amazing milestone comes hot on the heels of our PS4 and Xbox One launches last week and we can't wait to find out how many console gamers are going to be bitten by the PA bug.

Not bad for four mates from uni who made a little game about hacking.....