Put a parent, a psychologist and a brain expert in the same room and you'll get three different answers about the latest video game craze.
When you think of a gamer, do you think of someone young, male, and surrounded by empty pizza boxes? Well, don't trust your instincts.
You've switched off the Christmas lights, yelled more than once at the kids to stop opening the fridge, and kept the air-con to a toasty 24. Good on you. Now for the fun part of your energy cost-cutting regime — playing app-based video games.
This year's must-have digital games include a number of sequels to popular franchises. So, what are the biggest video game releases of 2018 shaping up to be?