As a screensaver, Plasma Tunnel Screensaver for Mac works well and is quite unique, but its design and operation are very one dimensional. The animation follows a tube with different colors, but does not add any different areas of movements or additional effects. The user can customize the colors, though.
The program installs directly onto the screensaver area of the Mac and comes with a README file. Opening the System Preferences menu lets the user select the Plasma Tunnel Screensaver for Mac as the default screensaver. Either allowing it to activate or starting the preview brings up a first-person camera view inside of a tube. The saver moves the user through it, while changing the camera view from side to side and up and down as it travels. In the screensaver options the user can set the wall color, fog color, and fog start. The changes automatically occur in the viewing window so the user can see if they like how they've set up their screensaver. The option to set the speed of movement through the tunnel and perhaps a choice of different textures would be welcome additions to make this screensaver even more appealing.
Plasma Tunnel Screensaver for Mac performs well and even though it's quite basic in its initial design, it can look quite unique depending on the user's settings and color choices. Mac users who are bored with their old screensaver should give this one a try.