
It was formally announced on 1 June 2015 with a simultaneous early access release on Steam to allow the gaming community to provide feedback for continual improvements and the integration of additional content over time. 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.
