Popular games published by company PrincessSoft

Nijuuei is a visual novel adventure game set in Japan in the year 1640 centering around Futatsu-kage Sougen, a swordsman who, for reasons unknown to him, holds host to an antagonistic and violent sentient curse he dubs "Nijuuei" that causes him to cast two shadows and wishes to possess him. The game begins as Sougen travels to the strange and cursed island of Awahomurajima in hopes of finding a way to dispel the curse placed upon him. Gameplay consists of the player making choices, some of which being timed in battle scenes, and following different story routes to the conclusion. Nijuuei features the "PIS" (Phrase Interaction System) where some words or phrases are highlighted and may be selected to view an explanation of the highlighted phrase or an expansion upon a related topic.

21: Two One is an erotic visual novel adventure game.

Phantom of Inferno is a story detailing the life of a 15-year-old Japanese boy who is kidnapped after witnessing the killing of a reporter. After being kidnapped his memories of his past life are erased and is given the choice to join Inferno or die. He makes the only choice he can to join and is given the name Zwei and will study under Ein. She is also known as Phantom since this is the title given to the organization's top assassin.