Open worlds, as a sub-genre within video games, can trace its roots all the way back to the early 2000s with the development of titles such as Rockstar's Grand Theft Auto III, and exist in the industry today as arguably the most popular form of gaming title out there.
The ability for a player to freely roam around, immerse themselves in the world and take on every little event and activity away from the main storyline just naturally expands the lifecycle of titles such as the Elder Scrolls, Assassin's Creed or Grand Theft Auto, than a series like Thief, for example.
It also allows for far more ways of getting players to fall in love with a title, with the extra charm that comes from more time invested, more characters met and more tasks completed all doing wonders for certain games' legacies.
However, with so much competition stacked in the genre right now, really nailing the look and feel of an open world title has become more important than ever before. Here are 10 of the titles that nailed this the best and created some of the most vibrant and beautiful open worlds that every player has to experience.