You see that mountain on the horizon? That old gaming chestnut has been around for a very long time now, but for old-school gamers who remember the compartmentalised kingdoms of yore, there's a special magic still to be derived from being able to trek your way to a distant summit in modern open worlds. Despite the consoles' diminutive size, Nintendo Switch and its successor have accrued a selection of vast kingdoms and open worlds to explore and enjoy, and below we've collected our picks of the very best open-world games on Switch 1 and 2.