Pixel Empires
A cellular automation simulation governed by probability.
...In the next iteration, the new cells follow the same process.
Second, every color is predestined to consume another color if the two make contact. In other words, if Color A consumes Color B, whenever Color A's cells randomly select Color B's cells, that selected cell will be converted to Color A.
Third, if the population of a color is below a certain threshold number, this color will randomly choose another color to consume (this chosen color may even be a color that no longer exists on the grid).