WormWorld is a simple ecosystem simulation screensaver. There are 2 kinds of organisms in the system: food and worm. Food can regenerate periodically, and worms move around in the system and eat foods. A worm will split when it eats enough food, and will die if it has not eaten food in a long period of time or it´s life span goes out.

Features:

• very interesting concept;
  
• many parameters can be modified;
  
• apperance can be customized;
  
• supports theme, and there´re several sample themes included;
  
• the system states can be saved, and can be restored next running;
  
• very low system resource consumption.