Backrooms: Lost Dimension is a single-player horror adventure. Explore unsettling levels, solve unique puzzles, and survive terrifying encounters while following an original story.

Free to Play:

Download the game for free and experience the full first chapter at no cost while exploring the first mysterious dimensions of Backrooms: Lost Dimension.

New Chapters and Original Levels:

Continue the story through new paid chapters, each featuring iconic and original levels, disturbing environments, new puzzles, and hidden secrets to uncover.

An Expanding Story:

Discover new story fragments chapter after chapter as you travel through increasingly strange and dangerous dimensions.

We need your support to make The Lost Dimension the ultimate Backrooms experience! Adding the game to your wishlist helps us reach more players and shows the community that you want to see this world fully realized.

By wishlist-ing, you’ll be the first to get updates, news, and sneak peeks as we continue developing new levels, puzzles, and multiplayer features. Join us on this journey and help shape the game!