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rated 4.29 / 5 stars
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Action - Shooter - Multidirectional

Credits & Info

Oct 30, 2008 | 1:39 PM EDT

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Author Comments

Grey matter is an anti shooter, or a shooter without bullets.
Essentially your the bullet.

Run into the exposed brains of incoming attackers to destroy them.
Killing 3 of the same type of enemy will cause a "Trinity attack" killing everything inside it.

Avoid enemy dangers (flashing bullets, tails, teeth and lazers)

Download the stand alone version here /downloads/flash/greymatt
(it runs faster)

-You can upgrade at any time in game by pressing P or Esc to pause the game.
-Shields are most important and should be purchased first.
-Holding shift will not only slow you down for better control, but it will also extend, and speed up your options that spin around you.
-Trinity Attacks will increase your chain multiplier which gives you more points for upgrades

All the rest of the info is in game

-Edmund & Tommy


Grey Matter can be played with the Xbox 360 controller using FlashJoystick.
To install FlashJoystick visit
To install mapping for this game you'll need this file.
greymatter/greymatter.fst ick
once FlashJoystick is installed, if you just hit open instead of save for the .fstick file, it'll auto load into FlashJoystick and you'll be able to play.

Special thanks to Tommy for FlashJoystick!



Rated 5 / 5 stars


wow, that was awesome.i liked how there were a bunch of diff enemies and the music was well fitting, and i loved it.
boss was kinda hard, but only on th part with a buunch of dots flying around

heres a tip for anyone who needs it,
when he says that "to echieve everlasting life, you must first die"
that means that on the part with a bunch of bullets everywhere, you have to die, and then all of the bullets disappear and the enemies to make the trinity out of appear.


Rated 5 / 5 stars

good fun

loved the game. There us only one thing that i can say this game needs and that would be using the mouse as a control method. Using the arrow keys really doesn't cut it for this type of game and I dont have a wired controller. Other than that, great work!


Rated 5 / 5 stars


A+ quality game.
What is the piano piece playing during the credits called?


Rated 5 / 5 stars


i usually give enemy spoilers on these kinds of games but this is so awsome i'm gonna let u guys figure it out! i agree: shields are far by the best! althought that enemy you saw on the game icon:
you need to use speed up(space) to reach him 'cause he teleports:O nice with all those modes and an upgrade store in the pause menu!:) nice anti-shooter! the player is a black fuzzball? doesn't that stand for energy? one enemy looks like a sperm, another a bull, and yet one a squid. great game in all so i give a big fat 10.good job. -sabrehawk

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Rated 5 / 5 stars

i dissagree with Npll012

i think his skills are sh*t because i could evade the bullets and then kill em so...xD very cool game!