12. The medium as set forth in claim 11 , wherein the plurality of predetermined useable items of the message preparation list is divided into a plurality of subsets.
11. A non-transitory recording medium on which is recorded a program executed by a server for storing message information of messages of a user in a storage area and for allowing viewing of the messages in response to instructions of another user, the program causing the server to execute: receiving the messages of the user from a first game device via a network, the messages including only a plurality of predetermined useable items that are stored in a message preparation list and being restricted from including other items different than the plurality of predetermined useable items for limiting content of the messages, each of the messages including multiple ones of the plurality of predetermined usable items that are each independently selected by the user for enabling the content of the messages to be user-defined, each of the plurality of predetermined usable items of the messages being received in a first language; converting each of the plurality of predetermined usable items into a second language different than the first language:, receiving the instructions of the another user for viewing the messages; detecting a handle name of the another user in the instructions in response to receiving the instructions; confirming whether the handle name of the another user is stored in a friend list of the user, the friend list storing handle names of users who are allowed to view the messages; and transmitting one of the messages of the user to a second game device of the another user via the network when each of the instructions is received and it is confirmed that the handle name of the another user is stored in the friend list, the one of the messages of the user that is transmitted to the another user including the plurality of predetermined usable items that are converted into the second language, wherein the plurality of predetermined usable items include a plurality of words.