Shin Megami Tensei IV (真・女神転生IV, Shin Megami Tensei IV) is a 2013 role-playing video game developed and published by Atlus for the Nintendo 3DS. It is the fourth installment in the Shin Megami Tensei series, which is part of the larger Megami Tensei franchise. The game is set in the Eastern Kingdom of Mikado, where the player takes on the role of a Samurai, a protector of the kingdom. The player is tasked with exploring the world, battling demons, and making decisions that affect the world. The game features a turn-based battle system, with the player able to control up to three characters in battle. The game also features a fusion system, which allows the player to combine two demons to create a new one. The game also features a variety of side quests, as well as a post-game dungeon. The game also features a morality system, which allows the player to align themselves with either Law or Chaos. Depending on the player's alignment, they will be able to access different endings, as well as different demons and items. Shin Megami Tensei IV is an engaging and immersive RPG experience, with a unique setting, a variety of characters, and an engaging battle system. The morality system adds an extra layer of depth to the game, allowing the player to make decisions that will affect the game's outcome. With its deep and engaging storyline, Shin Megami Tensei IV is a must-play for any fan of the genre.