Grey Matter achievement in The Orange Box

Grey Matter

Get 25 headshots as a Sniper.

Grey Matter0
5 guidesOnline/OfflineVersusCumulative +

How to unlock the Grey Matter achievement

  • Crimson DrifterCrimson Drifter887,082
    18 Feb 2008 13 Sep 2008
    33 1 0
    The 25 headshots can be achieved in either player or ranked matches. For sniping I prefer 2fort or Dustbowl, in Dustbowl you can snipe the other team through the gate before the game starts if they are up next to it.
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  • thekisselthekissel202,854
    27 Mar 2011 28 Mar 2011
    22 0 2
    This is very easily boosted in a 1v1 with another friend. In fact, you can do this, Nemesis, and Hard to Kill all in the same session. This solution assumes you want to do all three at the same time.

    Set up a match with all private slots, and invite your friend in. Set the timer to unlimited.

    P1(red) sets up as sniper and goes to blu base. Headshot P2. Stay near the spawn spot, and have P2 come out and get his headshot. Do 5 straight headshots (Hard to Kill ach pops at this point).

    Before you get the 5th headshot, you'll see that you're dominating P2. After the 5th headshot, switch roles, and let P2 headshot you 5 times, and have P2 move to P1 base. P2 gets a revenge kill for their first kill of you. Let them go forward to get 5 in a row (if they need Hard to Kill ach), and then go back and forth, with each player taking 4 headshots in a row at a time.

    By doing it this way, you knock out both the Nemesis ach and the Grey Matter ach. All in, I think we took 30-45 mins tops to knock this out. It's really rather quick to get all of these.
    Showing both comments.
    DAMIEN666777Great Solution!
    Posted by DAMIEN666777#282 on 13 Nov 13 at 02:50
    SoppiestSquash8Great guide. This is a very efficient way to boost these ones. Thanks!
    Posted by SoppiestSquash8 on 19 Dec 19 at 18:39
  • NebulaNextNebulaNext88,059
    30 Mar 2009 30 Mar 2009 20 Apr 2009
    20 0 1
    Playing sniper on the map 2fort is the best way to get this achievement.

    Tip: Aim so that the enemies can't see your laserdot. But if you see them aim quick and shoot. And if the objective is laying somewere try to aim there because people will run to it.
    Showing only comment.
    AnemonemanI found Dustbowl to be easier since enemies are less likely to run around you and stab you in the back, but whatever works I guess. I thought this would be really tough because sniping in TF2 feels completely numb but the game is generous with headshots, or even hits it seems. Also, I disagree on the dot. I always power up my shot so that I can take out heavier enemies in a single shot as well.
    Posted by Anemoneman on 16 Jan 14 at 19:43
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