When you develop something that’s considered one of the better games out there, it’s often hard to move on to the next project, as most folks will usually demand more of the same or, as tradition usually calls for, a sequel. Kim Swift, the developer of Valve’s uber-hit Portal, has managed to do this, though, as her team at Airtight Studios showed us the other night at the Square Enix event with its upcoming Quantum Conundrum. We gave this delightful little digital treat a run-through in a hands-on demo.