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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 4 / 5 stars


AMAZING GAME , very very very adictive , BUT , still being a little hard , and withotuh save , so ,i give you an 8 :l

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Rated 5 / 5 stars

WOW this is awesome

This game is one of the best ive ever played. I love how its a spin off geometry wars. The soundtrack is completely awesome and the speed is also very cool. I love the graphics and how they stand out over all other games. This is most definetly one of my favorite games on newgrounds.


Rated 4 / 5 stars

love it

good game exept the fact that you have to see the credits over and over again when you die. Also i love the proverbs you can read. Pure awesomeness.
It gets a little boring after a while but still good, i think some awards that you can get would keep people going.

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Rated 5 / 5 stars

Only one complaint.

When I die, and go back to the title screen, I expect to go back straight to the title screen, and not have to re watch the credits+newgrounds logo again. Over and over. Still, a great game nonetheless. Addicting also.

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Rated 5 / 5 stars


Its really fun!