Grow up or kill your bacterias! You have 6 types of serum, they will kill the bacteria of the same color and will grow the bacteria of different color. When bacteria becomes too large, it creates a new one. The last serum is universal, it will kill each type of bacteria.
Use the serums to grow up, or kill your bacterias. Use the right quantity of each breed to go next level. Use MOUSE to action, P to pause, ESC to restart.