Your troubles aren't over yet and the 5th chapter of this escape game begins in a labyrinth of tunnels with the only clues of cubes and balls placed on a table...
Analyze the drawings on the wall to choose the correct side until you find the exit.
You will end up in a room with a very old computer and can cherish the hope of finally getting out of this hell, unless...
See also:
Laqueus Escape: Chapter 1
Laqueus Escape: Chapter 2
Laqueus Escape: Chapter 3
Laqueus Escape: Chapter 4
Laqueus Escape: Chapter 6