You found a strange notebook in your mailbox. On the first page, an address. By going there, you know that this track will lead you to the clues you need in order to choose between 9 of your suspects.
Rummage through the rooms, find objects, papers, compare them to what the notebook gives you, and try to analyse it all. In Achromatic, your deduction will be your best ally.
Immerse yourself in a dark mood, tributing the Film Noir cinema genre : black and white graphics on your computer, colors on your notebook, lighting games, muffled mood, jazz musics, ...
Print your notebook, and enjoy your investigation !
(You can't play Achromatic without the notebook, don't forget to download it! )