How to unlock the sun from cells to singularities

How the sun unlocks from cells to singularity is singularity unlocks purple, Mars City unlocks red crystal, Mesozoic unlocks green, orange, yellow, blue and gray, and Grey Eagle unlocks pink in the 38th round of Mesozoic. From cell to singularity is a scientific evolution game, and life is upgraded from single-celled organisms to multicellular organisms, fish, reptiles, mammals, monkeys, humans and so on. Experience the evolution of life on earth in the past, present and future.