E.E.R.I.E2 is a tactical first-person shooter in which gamers will find themselves in the modern world of Gensokyo, as a fairy of the moon, and will use various modern weapons and tactical equipment to take part in a war that will decide the fate of this land. All the weapons implemented, whether based on reality or fictional, have detailed and realistic modeling, mechanisms and animations, and most of them can be modified. More explosive weapons such as underbarrel grenade launchers are also provided. Combined with destructible objects in the area, this makes the firefight more intense.

E.E.R.I.E2 immerses you in the atmosphere of a tactical shooter and fantasy inspired by anime. In a modern version of the enchanting kingdom of Gensokyo, where people coexist with otherworldly entities, the gamer will become Luna, a fairy who gets involved in a war that will determine the fate of this captivating country. A distinctive feature of the game is its arsenal a carefully designed set of weapons, created both on the basis of real samples and with the help of fantasy. Each weapon can be customized using various attachments and accessories. The inclusion of explosive devices such as grenade launchers adds strategic meaning to the game, allowing for dynamic interaction with the environment and increasing the intensity of combat.