Completing objectives in the levels and adventure worlds will reward players with gold bricks, which can be used to upgrade vehicles and give them new abilities. In addition to the minifigures, players can also build models of vehicles, such as the Batmobile, TARDIS, Mystery Machine, or DeLorean, and put them into the game for characters to drive. The Starter Pack includes the toy pad and the game's 14-level main story campaign, which revolves around Batman, Gandalf, and Wyldstyle, while additional levels are made available by purchasing Level Packs and Story Packs. Using a character from a certain franchise will also unlock that franchise's Adventure World, an open-world area for players to explore and complete in-game objectives. Characters are entered into the game by placing their respective minifigures onto a USB toy pad, with each character possessing unique abilities that can be used to solve puzzles or reach hidden areas. Players progress through linear levels, using their characters' abilities to solve puzzles, defeat enemies, and attempt to reach the level's end.
Lego Dimensions features the same style of gameplay as the previous Lego video games developed by Traveller's Tales, in which up to two players control Lego minifigures based on various represented franchises.
