The glitch that shut down Curiosity in July was thankfully a temporary issue, else NASA would have mourned its loss rather than celebrating the rover's fourth year on Mars by releasing a game. It's simply called Mars Rover, and it's probably your only chance to pilot Curiosity. Mars Rover has a pretty straightforward gameplay -- you just have to press arrow keys to drive the vehicle and find underground pockets of water -- but it's harder than it seems. The virtual rover's wheels crack and break if they slam hard against rocks or heels, and when they do, it's game over.