A game control server apparatus includes an evolution information storing unit that stores a base character, a partner character and an evolved character associated with each other, the base character being converted to the evolved character by combining the base character and the partner character; and an evolution process management unit that coverts, upon accepting an evolution instruction of a base character possessed by a first player by combining the base character and a partner character possessed by another second player to evolve the base character from the first player, the base character to an evolved character that is associated with the base character and the partner character using the partner character of the second player under a condition that a process of paying reward from the first player to the second player is performed.