 Shin Megami Tensei : Devil Summoner is a role @-@ playing video game in which the player takes control of a silent protagonist that can be named and whose personality is determined by dialogue choices made in the game . Navigation is split into two types : standard navigation through the game 's three @-@ dimensional ( 3D ) dungeons in a first @-@ person view , and navigation around the protagonist 's home of Hirasaki City using a 3D overworld map . During dungeon navigation , the player 's route is automatically mapped , and the map can be viewed in the menu screen . Non @-@ playable characters ( NPCs ) are represented in first @-@ person navigation with 2D sprites , and their speech is represented with head @-@ and @-@ shoulder portraits above dialogue boxes . Quests are available at a location called the House of Divination , which the player can choose to accept in exchange for rewards . Various stores are scattered throughout Hirasaki City for buying items , weapons and armor , and healing the player 's party and reserves . A key currency in the game is Magnetite , which is used for summoning demons and as currency in some of the stores . 
