LTL6 泡影の匣 is the sixth installment of the long novel game series, LOOP THE LOOP, by sweet ampoule. This Android game is recommended for those who have read the previous five installments. The game contains some graphic and grotesque descriptions, but it is entirely free.

The game is about the unsolved "Madoka Town Disappearance Case," which was buried in darkness. Under the pressure of the unseen, the case was about to be forgotten. But, a high school student named Koutarou accidentally discovers some details about the case. The game is a thrilling character mystery that takes place in a space where "anything you want can be obtained."

Players need to read the previous five installments in order to enjoy this game fully. The game requires touch operation, and a SD card is needed for saving the game data.