東方DungeonDive is a new iPhone game developed by STAR FACTORY Inc. that is sure to excite fans of 東方Project. This game is a roguelike action game that challenges the player to shoot and dodge their way through each floor of the dungeon, defeating all enemies in their path to reach the depths below.

One of the most exciting features of 東方DungeonDive is its soundtrack, which features original music from a number of popular doujin circles, including Foxtail-Grass Studio, Unlucky Morpheus, and IOSYS. It's important to note that 東方DungeonDive is a fan-made game based on 東方Project, and has been created with the permission of the original developers at Shanghai Alice.

Overall, 東方DungeonDive is a thrilling and action-packed game that is sure to delight fans of 東方Project.