Grey Matter

Grey Matter is a single player action game. It was developed by Edmund and was released on November 1, 2008. It received mostly positive reviews from players.

Grey Matter is a free online shooting game where you are the bullet, targeting the exposed brains of incoming attackers. To achieve a "Trinity attack," kill three of the same enemy type, resulting in a mass destruction. Avoid enemy dangers such as flashing bullets, tails, teeth, and lasers to ensure survival. A stand-alone version is available for download at .