Lego Island – the first part of the adventure with a first-person view, where the player takes control of an unnamed character who will have to fight the villain Brickster. The antagonist is trying to destroy the idyll in the protagonist’s home village. To do this, he will need to prepare, and the user will need to prevent the enemy from carrying out insidious plans that could ruin the lives of many inhabitants in the area.

The construction mechanics are implemented in a free mode, as it allows the user to arrange rooms anywhere, change and install decorations and buildings. The gameplay is focused on construction, which is reproduced using numerous LEGO-shaped parts. The gamer is able to install traffic lights, workshops, residential and industrial buildings. Each building has its own parameters and features.

A vast area for construction is provided. Hundreds of components can be combined with each other and presented in the form of original buildings, interiors and much more. As the user progresses, he opens access to new objects and items. The player is able to rotate things, change their direction, their size or change other aspects of their appearance. In the adventure, the protagonist will meet 35+ characters that influence the narrative.