In this section there will be all the puzzles of the anime.
Kaito and Okudera where trying to solve a secret labyrinth behind the school. Kaito wonders if that is really a puzzle, because puzzles don't endanger lives.
Kaito returns to the Hidden Labyrinth with Nonoha and finds a Sliding Puzzle that opens the door.
Nonoha runs along the maze and falls into a trap, but Kaito quickly grabs her hand and pulls her back. The puzzle has traps even on the right route
After getting in a place Kaito wants to search, Nonoha remembers that the patterns in the columns are the same, and Kaito finds the column with an odd pattern. After pushing the column the walls move and a new path is showed.
So Kaito advances through the maze and the two successfully solve the puzzle.
The gadget Kaito gets from Souji contains puzzles for him to solve. Also Takeda challenges Kaito to a Sudoku game.
At the end of the first episode Kaito is given a puzzle by Minotaur to test the Orpheus' Armband.Rules:
You must choose and pull one of the three ropes in front of you
The water is flowing towards the supporting beams.
Soon, they will not be able to support the weight of the water.
If you want to survive, you must pull the rope that stops the water's flow.
However, if you pull the wrong rope, the ruins will instantly collapse.
When Kaito awakens the Orpheus' Armband, he quickly knows how to solve the puzzle. This happens in the second episode.
By eliminating all the dummy engines, Kaito traces a path through the puzzle and pulls the middle rope. The puzzle was solved.