Cheats & Guides

Gray Matter Cheats For PC

  1. Games for Windows Live Achievements

    Achievement Achievement
    Finished "A Day in the Rowboat" Puzzle Set A Day in the Rowboat (20)
    Finished "A Message from Laura" Puzzle Set A Message from Laura (20)
    Finished "A Plant in the House" Puzzle Set A Plant in the House (20)
    Put all wild flowers into vases A Small Act of Kindness (25)
    Finished "A Spectral Presence" Puzzle Set A Spectral Presence (20)
    Finished "Altering the Plan" Puzzle Set Altering the Plan (20)
    Completed your very first magic trick Back to the Basics (20)
    Got your first memory flash Bittersweet Memories (20)
    Finished "C Railer Swoll " Puzzle Set C Railer Swoll (20)
    Play 1000 dialogs Chatty chatty mouth (50)
    Win the "Divide and Conquer" game without losing any hand Divided and Conquered (25)
    Finished "Dread Hill House" Puzzle Set Dread Hill House (20)
    Finish the game under 5 hours Fast Play (50)
    Finish the game Gray Mattered (40)
    Speak with Mrs. Dalton about the bike He can be nice too (25)
    Finished "Houdini's habitat" Puzzle Set Houdini's habitat (20)
    Finished "I'm Laura Styles!" Puzzle Set I'm Laura Styles! (20)
    Finished "In the Lab" Puzzle Set In the Lab (20)
    Finished "In the Lion's Den" Puzzle Set In the Lion's Den (20)
    Finished "Investigating the Lambs' Club" Puzzle Set Investigating the Lambs' Club (20)
    Finished "Lambs for Dr. Styles" Puzzle Set Lambs for Dr. Styles (20)
    Finished "Memory of a Summer's Night" Puzzle Set Memory of a Summer's Night (20)
    Finished "Psi and Psi again" Puzzle Set Psi and Psi again (20)
    Finished "Psi and the Mind" Puzzle Set Psi and the Mind (20)
    Finished "Sam gets carded" Puzzle Set Sam gets carded (20)
    Finished "Sam plays Lab Assistant" Puzzle Set Sam plays Lab Assistant (20)
    Finished "Setting a Trap" Puzzle Set Setting a Trap (20)
    Finished "Suspicions about Samantha" Puzzle Set Suspicions about Samantha (20)
    Finished "Terror in the Dinning Hall" Puzzle Set Terror in the Dinning Hall (20)
    Finished "That Piece of Junk" Puzzle Set That Piece of Junk (20)
    Finish the game with all bonus points The Beast Within (100)
    Finished "The Betrayer's Price" Puzzle Set The Betrayer's Price (20)
    Finished "The Events at Horspath Track" Puzzle Set The Events at Horspath Track (20)
    Finished "The Experiment" Puzzle Set The Experiment (20)
    Finished "The Game of Life" Puzzle Set The Game of Life (20)
    Finished "The Ghost of Dread Hill" Puzzle Set The Ghost of Dread Hill (20)
    Finished "The Mysterious Dr. Styles" Puzzle Set The Mysterious Dr. Styles (20)
    Finished "There was Something in the Water" Puzzle Set There was Something in the Water (20)
    Finished "What Happened the Day Before" Puzzle Set What Happened the Day Before (20)
    Finished "Where is She Now?" Puzzle Set Where is She Now? (20)
    Fully Succeed the Ball and Cup trick You should make money out of it (25)

    Contributed by: Guard Master 

Walkthroughs & FAQs

Type Name File Size
General FAQs FAQ/Walkthrough by ralebeau 55K

Gray Matter Cheats For Xbox 360

  1. Achievements

    Achievement Achievement
    Finished "A Day in the Rowboat" Puzzle Set A Day in the Rowboat
    Finished "A Message from Laura" Puzzle Set A Message from Laura
    Finished "A Plant in the House" Puzzle Set A Plant in the House
    Put all wild flowers into vases A Small Act of Kindness
    Finished "A Spectral Presence" Puzzle Set A Spectral Presence
    Finished "Altering the Plan" Puzzle Set Altering the Plan
    Completed your very first magic trick Back to the Basics
    Got your first memory flash Bittersweet Memories
    Finished "C Railer Swoll " Puzzle Set C Railer Swoll
    Play 1000 dialogs Chatty chatty mouth
    Win the "Divide and Conquer" game without losing any hand Divided and Conquered
    Finished "Dread Hill House" Puzzle Set Dread Hill House
    Finish the game under 5 hours Fast Play
    Finish the game Gray Mattered
    Speak with Mrs. Dalton about the bike He can be nice too
    Finished "Houdini's habitat" Puzzle Set Houdini's habitat
    Finished "I'm Laura Styles!" Puzzle Set I'm Laura Styles!
    Finished "In the Lab" Puzzle Set In the Lab
    Finished "In the Lion's Den" Puzzle Set In the Lion's Den
    Finished "Investigating the Lambs' Club" Puzzle Set Investigating the Lambs' Club
    Finished "Lambs for Dr. Styles" Puzzle Set Lambs for Dr. Styles
    Finished "Memory of a Summer's Night" Puzzle Set Memory of a Summer's Night
    Finished "Psi and Psi again" Puzzle Set Psi and Psi again
    Finished "Psi and the Mind" Puzzle Set Psi and the Mind
    Finished "Sam gets carded" Puzzle Set Sam gets carded
    Finished "Sam plays Lab Assistant" Puzzle Set Sam plays Lab Assistant
    Finished "Setting a Trap" Puzzle Set Setting a Trap
    Finished "Suspicions about Samantha" Puzzle Set Suspicions about Samantha
    Finished "Terror in the Dinning Hall" Puzzle Set Terror in the Dinning Hall
    Finished "That Piece of Junk" Puzzle Set That Piece of Junk
    Finish the game with all bonus points The Beast Within
    Finished "The Betrayer's Price" Puzzle Set The Betrayer's Price
    Finished "The Events at Horspath Track" Puzzle Set The Events at Horspath Track
    Finished "The Experiment" Puzzle Set The Experiment
    Finished "The Game of Life" Puzzle Set The Game of Life
    Finished "The Ghost of Dread Hill" Puzzle Set The Ghost of Dread Hill
    Finished "The Mysterious Dr. Styles" Puzzle Set The Mysterious Dr. Styles
    Finished "There was Something in the Water" Puzzle Set There was Something in the Water
    Finished "What Happened the Day Before" Puzzle Set What Happened the Day Before
    Finished "Where is She Now?" Puzzle Set Where is She Now?
    Fully Succeed the Ball and Cup trick You should make money out of it

    Contributed by: R351D3NT3V1L4 

Walkthroughs & FAQs

Type Name File Size
General FAQs FAQ/Walkthrough by ralebeau 55K