Tic Tac Toe riddle is one of the more difficult puzzles found in the Backstage DLC of Little Nightmares 3. In order to unlock it, it is necessary first to discover a number of hidden symbols within the room with the help of your light. Having discovered all the symbols, you will be able to find the proper sequence of the tiles. This guide will show you where to find every clue and how to complete the puzzle step by step.
Tic Tac Toe Puzzle Solution
The Tic Tac Toe puzzle will be found in a room where there are two big statues placed on either side. But before solving this puzzle, spend some time locating all the symbols which you will need to solve this puzzle.
Finding the Clues

The first hint will be simple to obtain. After entering the room, go to the statue that appears on the left side of the room. Illuminate this statue with your torch, and you will quickly see an invisible symbol that will become visible. When searching for the second hint, move closer to the right part of the room. With the help of the torch, illuminate the floor here and see the invisible symbol appear. It cannot be seen without the help of the torch. The last hint can be found in the higher parts of the room. Go to the platform and then move to its far left side.
Puzzle Solution

In order to solve this puzzle, one must step on the appropriate tiles in the right order. You should be cautious, as stepping on the wrong tile might reset you to the beginning point. Begin your step with the bottom-right tile. After that, proceed to step on the middle tile of the left row, followed by the centre tile. Finish the solution by stepping on the top-right tile.
