Dungeon Travelers 2: The Royal Library and the Monster Seal is a dungeon crawler role-playing game developed by Sting Entertainment and Aquaplus, and published for the PlayStation Vita in 2013 in Japan and 2015 in the West. The game has players exploring a variety of labyrinthine dungeons, engaging in turn-based combat, and recruiting a diverse cast of female allies to fight against monsters. As players progress, they can upgrade their party's abilities, strengthen their characters, and unravel the story behind the monster attacks on the kingdom.