Simbacteria is a unique game of strategy and simulation, it lets you play the role of a microorganism; bacteria.
You will start your life as a single microorganism in a small pond, then grow quickly to form a colony. Beware! You are not alone, you must compete with other bacteria for nutrients, fight with them and if you are good enough, dominate in the pond.
You will encounter with mutagenic substances and will undergo mutations which will increase your chance to survive.
The full version also includes SimBacteria Screensaver.