The struggle between different kinds of viruses makes sense of this game. The kind of virus, which stays on the playing-field wins.

Each virus has its own vital energy, which decreases with time. To enrich it , virus have to get vital energy from the source in order not to be killed.

Having been used up, life source vanishes from the playing-field and appears on the other place with the new vital energy.

Alter Life is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around 9.95USD.