"open exploration" . "open game world" . "semi-open world" . . "Open-world" . "Sandbox game" . . . . "open-" . "sandbox game" . . . "sandbox games" . "open galaxy" . . "Sandbox" . "world" . "free to travel" . "open-world games" . "freely travel" . . "nonlinear" . "open-ended 'sandbox'-style environment" . "open universe" . . "free-roaming" . . . . . "open world game" . . "freely explored" . . "open environments" . "free-roam" . . . "Free-roaming" . . "open virtual world" . "-open worlds" . "open space" . "sandbox" . "sandbox-type" . "open ended" . "Open World" . "freely roam a city" . "Open-world RPG" . . . "sandbox-style" . "open-world" . "sanbox game" . "open-world environment" . . . . . "sandbox gameplay style" . "Open World RPG" . "can be navigated at the player's leisure" . "hub worlds" . "freely roam" . "open-ended" . "open" . "open world" . "Open world" . "one vast level" . "open one" . . . "open city environment" . . "Open world" . "open-ended gameplay" .