Prison Architect is like 'SimPrison', if there ever was one, made by people who seem to be damn near fearless about making video games about uncomfortable topics. The game is from the indie studio Introversion, who have also made the saddest/best game about nuclear war.

Here's a brief interview with Introversion's own architects about their newest work. They served up some fascinating answers about the possibilities of a game about building and running a prison.

Simulating the physics of water has always been tricky and game engines sometimes still have to use dodgy mechanics to make it feel real. But the above demonstration of this new fluid simulation technique proves that slowly but surely we're getting there.

To many fans of the original city building simulation series, the idea of an online multiplayer game that required even solo players to be connected to the internet at all times seemed like a recipe for disaster.

Maxis' latest creation is easily the most compelling SimCity I've played since the 1989 original. It's also a disaster.