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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
http://www.newgrounds.com /downloads/flash/greymatt er.zip
(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
http://flashjoystick.pill owfortgames.com/
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!


interestingly orignal.

this is vary interesting and original, but could use a little working on. its a little to easy of a game and therefor got old ofter a good 15 mins of playing. the fact that i could play with my xbox controller was vary appealing and made it a little funner but it still got old. in the future if you decide to remake or make a sequel i would add some alternative characters or mebby an explodeing bomb/mine thing for enemys to trip over. plus a change in music would be nice. other then that its still a good game.

not bad

good game pretty smart but its too hard i think you should make it easyer and music kinda sucks other then that realy good alot of enemy types and strikes and ohh you should put more upgrades like slowing time when slowing the thingie you control

Good game

It's very challenging and you really have to think everything through before you run in and attack though if you think to long you end up dead, I also think it's cool that you can play it with an Xbox controler (though I don't have one XD) 10/10 and 5/5

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lol, good game!

You Can (Not) Advance!

Amazing Game

I loved it, it was a bit hard, but I got pretty far before losing all my lifes. <3

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Credits & Info

4.29 / 5.00

Oct 30, 2008
1:39 PM EDT
Action - Shooter - Multidirectional