SIMPLE500シリーズ Vol.1 THE 麻雀 ～通信対局機能付～ is a downloadable mahjong game for PlayStation 3 developed by Recom Co., Ltd. and published by D3Publisher. Players can compete both offline and online against others via PlayStation Network, with customizable rule settings and rank progression. The title also features additional modes such as a Gallery & Shop mode and downloadable character content.