Abstract: In a mahjong game system constituted by a mahjong game machine and an information processing device, the information processing device comprises: game data reception means for receiving game data; game data storage means; ranking criterion setting means for setting a ranking criterion during the creation of a ranking list at predetermined time intervals based on the game data; ranking means for creating, on the basis of the ranking criterion, a ranking list based on the stored game data; and ranking data transmitting means for transmitting the ranked ranking data to the mahjong game machine.

Abstract: A mahjong game machine has display device for displaying images showing at least holding tiles and discarded tiles of a player and images showing discarded tiles of a opponent character which is a competitor of a game, the game machine provides two-player-mahjong game in which the player plays against one from of a plurality of opponent characters. The game machine further includes prize awarding device for receiving a completion of a game by the player with a specific combination of tiles and awarding a predetermined prize to the player.

Abstract: The present invention provides a mahjong game machine to which a hitherto unknown new fun is added so that a player can sufficiently enjoy a match game without becoming bored. The mahjong game machine (10) includes a display device (13) and provides a match game in which a player plays against an opponent character. The mahjong game machine (10) further includes a display device which displays a selection image which enables the selection of effect image data with story when a predetermined condition is satisfied, and effect image display device which displays an effect image on the display device (13) based on the selected effect image data when the selected image is displayed.

Abstract: The present invention provides a mahjong game machine which enables a player to sufficiently enjoy an original interest or fun of the mahjong game and also enables the player to enjoy the mahjong game without becoming bored. The mahjong game machine (10) includes a display device (13) and provides a mahjong game in which a player plays the game against an opponent character. The mahjong game machine (10) comprises set data storing means which stores a plurality of set data on the setting of game rules corresponding to a plurality of effect image data, an effect image display device which displays the effect images on the display device based on the selected effect image data when the selection images are displayed, and set means which performs the setting of the game rules based on the set data corresponding to the selected effect image data.

Abstract: A game providing system comprises a portable terminal and a game server. The portable terminal can be connected to the game server via the Internet. The game server provides a game to the connected portable terminal via the Internet. The game server comprises a calculating section and a point providing section. The calculating section calculates a number of wins by summing up the number that the player of the portable terminal wins the game. The point providing section provides a predetermined point to the player in accordance with the number of wins calculated by the calculating section.

Abstract: In a mahjong game system constituted by a mahjong game machine and an information processing device, the information processing device comprises: game data reception means for receiving game data; game data storage means; ranking criterion setting means for setting a ranking criterion during the creation of a ranking list at predetermined time intervals based on the game data; ranking means for creating, on the basis of the ranking criterion, a ranking list based on the stored game data; and ranking data transmitting means for transmitting the ranked ranking data to the mahjong game machine.

Abstract: The present invention provides a game providing system which can expect that a registered player prolongs or extends his or her contract period and can enhance an access ratio of the registered player to a game site. A game providing system includes a portable terminal (10) and a game server which are connected to each other via the Internet and allowing the game server to give points which are exchangeable with a predetermined commodity or service to a member who gains access to the game server from the portable terminal (10) and plays a game on a game site, wherein the game server has means which changes the points in accordance with attributes of the member.