SCREENSAVERS
All these screensavers are free, just install them to C:\Windows directory.You can then select them from the Display Options found in the Control Pannel. Before using software of Tons 'o' Games make sure you read and accept the License Agreement. If you disagree with the License Agreement do not use the software. The license agreement can be found here.
Scrbugs Relaxing screensaver where squares float around and collide.
Keller Action screensaver where aliens fight for control of a powerup while they are killed by missiles, laser beams and gun shots.