It's been a long and winding road, but you can finally play classic arcade games like Donkey Kong and Zaxxon on your iPhone ...

Of course, the results rarely hold up to that original experience in front of a joystick. So wit that n mind, we share 20 of the worst video game adaptations to date.

Virtual reality (VR) has come a long way in just a few years. With its high-quality, immersive graphics, the technology is set to revolutionise gaming. The question is: how good is it right now?