Prior to the game's official release, it was teased in the back of a Lego set's construction manual. A multiplayer option and features for world-sharing have been added to the game through later updates.
A variety of vehicles, such as helicopters, and creatures are featured in the game. Terrain and environment can be modified via landscaping tools. Players' appearances and outfits are customizable in the game. Players can create their own world by using predefined Lego structures or using the 'brick-by-brick editor tool'. The player can build using the items they have encountered. The player is rewarded for collecting objects spread across the map with studs, an in-game currency. Lego Worlds is a sandbox video game which allows players to build a world made up of Lego bricks. A version for Nintendo Switch was released on 5 September 2017 in North America and 8 September 2017 in Europe. It was released on 7 March 2017 for Microsoft Windows, PlayStation 4, and Xbox One. A beta version of the game was released on 1 June 2015 on Steam Early Access. The game allows players to build constructions in a 3D procedurally generated world. Lego Worlds is a Lego-themed sandbox game developed by Traveller's Tales and published by Warner Bros.