Evolution of species game The game plays in mammals. Mammals play to learn. In fact the main task is to learn the game. Mammals are characterized by a brain evolved long childhood, parental care, feeding of offspring, hunting in groups, and non-genetic social division of work. The mammal hunt in group play, defining hierarchies, explore, divide labor among others. The game between mammals (dogs, cats, watersports, primates) based on imitation and exploration by trial and error. In mammals there is an absence of symbolic play. Chimpanzees and other primates have the ability to use representations, can for example use some words, but not on them any form of symbolic play. Chimpanzees The game has the same characteristics as that of all mammals.The emergence of symbolic play occurs exclusively in human children, along with language-inherently symbolic. Symbolic play is made on representations and not real things. The rock paintings are a prime example of symbolic game. Prehistoric men used them to act on the animals through their performances. Symbolic play is clearly present all normal children from 2 years old. Symbolic play is present when a child takes a rock and plays with it like a car. This boy is playing with the car, not with stone. In humans, after the emergence of symbolic play, by 2 years, began a phase of social game in which children play more and more with each other and with adults, using the language. This social play increasingly requires the establishment of agreements and finally ends in the formal game, whose essential characteristic is that it is a game with clear rules.The game of marbles (ball nail) are an excellent example of children’s games with rules, about 6 years old. In the history of the human species is likely to receive formal game after the result of sedentary farming and writing. In the formal game the object of the game are the rules in themselves, not representations. Thanks to this ability to set rules and play within them has been able to build the kind key games such as democracy, religion and science. Creating games with rules is the essence of the evolution of civilization. From age 7 children can use rules to manipulate objects, interact socially or to generate knowledge, the three basic uses of the game and rules.