Losing yourself in a giant explorable world is one of the biggest attractions of this genre. There's nothing quite like that feeling of stepping out into the landscape and letting your eyes adjust to the light, Fallout-style, as you take in the vast space where you'll be spending the next hundred or so hours.
The problem is open worlds have become all too common in games, so it's hard to know what's worth buying and where your time is best spent. Luckily, our list covers the very best of the open world game genre—dive into one of these, and it might be a while before you escape.