Server device and non-transitory computer-readable storage medium storing game program

A server device to be connected, via a network, to one or more player terminals each to be used by a player who plays a game, comprising:

• a memory configured to store a plurality of first fixed messages and a plurality of second fixed messages, each of the first fixed messages being used when a player posts a message, each of the second fixed messages being made available to a player as a result of a use condition being satisfied;
• a determiner configured to determine whether the use condition is satisfied;
• a message list generator configured to generate a first message list including only the first fixed messages if the determiner determines that the use condition is not satisfied and to generate a second message list including at least one of the second fixed messages if the determiner determines that use condition is satisfied;
• and
• a screen data generator configured to generate, in response to a request from the player terminal,
• before the use condition is satisfied, screen data used by the player terminal which is a source of the request to display a game screen including a posted message display area in which a message posted by a player is displayed and a selection operation area allowing a player to select a message to be displayed in the posted message display area from the first message list, and
• after the use condition is satisfied, screen data used by the player terminal which is a source of the request to display a game screen including the posted message display area and a selection operation area allowing a player to select a message to be displayed in the posted message display area from the second message list.