| 摘要 |
PROBLEM TO BE SOLVED: To provide a game system that can prevent real money trade from a technical aspect.SOLUTION: A game system includes: a trade rate information generation part 56 generating trade rate information including trade quantities of a first game medium and a second game medium stored in a trade condition information storage part 55, and including no player specification information for specifying a plurality of players; a trade rate information presenting part 57 presenting the trade rate information in a game played by a third player; a trade condition update request receiving part 58 receiving a first trade condition update request including the trade quantity of the first game medium set by the third player; and a trade condition update part 59 updating first trade condition information such that the first trade condition information includes the trade quantity included in the first trade update request and player identification information of the third player when the trade quantity included in the trade information update request is larger than the trade quantity included in the first trade condition information when the first trade condition update request is received before a trade end time. |
