Grid Wars – great Geometry Wars clone for free

Never thought that a programmer's art could be appealing? Then let Grid Wars prove you wrong. Grid Wars is a free game that's based on the minigame Geometry Wars. Despite its simple aim and shoot gameplay, it is one of the most entertaining shooting games around. With simple gameplay, colorful graphics and straightforward controls, the game is a definite winner. It has been tagged as one of the "most fun shooting games" around and pretty much you'll understand why once you start playing it.