Release: Reitaisai 10, on May 26, 2013
Touhou Unreal Mahjong 4 (Japanese: Touhou Gensou Mājan 4) is the fourth game in the series, a mahjong fangame created by D.N.A.Softwares. Gameplay in Touhou Unreal Mahjong 4 is similar to the previous games, standard riichi mahjong rules, with slight variations for each of the game's stages and each character has a special ability outside of the standard rules of the game. Touhou Unreal Mahjong 4 presents the player with all new character illustrations backed with improved voice acting, background music and screen resolution. There are more than 70 playable characters and a new game rule which gives the player a different victory condition.