By Binary Zoo Free Editors' Rating

Editors' Review

Download.com Staff Nov 7, 2008

The excellent shooter Duo features a two-directional gun with enemies and weapons based on mathematical functions. Binary Zoo's follow-up uses similar elements and a unique treatment of colors to create a one-of-a-kind gaming experience. Start with a black or white screen and then turn it into its opposite color by shooting colorful blobs that paint the screen as they explode.

Auto-fire is selected by default. You can turn it off and use the left mouse button to fire manually, but there's no reason to do so. The right mouse button allows you to rotate your ship. Since the mouse moves the ship as well, directing your shots takes some practice, but it quickly becomes second nature.

As the screen changes color, your enemies are affected. Red makes enemies return fire; green speeds them up; and blue makes them home in on your ship. All of this is rather extraneous, however, since you'll be too busy moving and firing to pay much attention to what the heck's going on. The easy and normal levels aren't much different, but playing on hard is psychedelically masochistic. Don't worry when the screen starts to pulse and throb. It's supposed to do that.

Full Specifications

What's new in version 1.02


Release November 7, 2008
Date Added April 6, 2005
Version 1.02

Operating Systems

Operating Systems Windows 2000, Windows 98, Windows Me, Windows, Windows XP
Additional Requirements Windows 98/Me/2000/XP


Total Downloads 119,433
Downloads Last Week 0
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Developer's Description

Described as "part Asteroids, part Robotron, and part Paint Shop Pro," this vivid game puts a unique twist on traditional shooter action. The aim of the game is to change the color of the entire screen from black to white or white to black. This is achieved by shooting the alien blobs that color the background when destroyed. There are three colors of blobs to shoot (red, green, and blue) and the color they leave behind changes the behavior of any enemies that travel over it. The more of the screen you color, the more the enemies' behavior changes.

The latest version adds two new power-ups and better ship-rotation control.

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