Shikaku Tantei Sora no Sekai: Thousand Dreams

Shikaku Tantei - Sora no Sekai - Thousand Dreams is an adventure game in which the player takes the role of a detective that have to investigate in a mansion the assassination (or accident or suicide) that 3 sisters that lives there hire him to solve.

The gameplay is examinate each room and each character that are there to gather clues that allows him to advance through the story of the game and in his investigation. In some times during the examination of items or talking to the characters a points bar appear and the player can use the Triangle Button to use the point and advance in that part.