异变战区 E.E.R.I.E

Open-world tactical shooter with three rival heroines from Touhou Project

Ureasoft · Released Jun 12, 2021

Reviews: Very Positive; 80% of 483
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Jun 27, 2021
Minimum PC: ® HD 620; 4 GB RAM · 3 GB disk; Full requirements

What is 异变战区 E.E.R.I.E?

A single-player, third-person shooter set in an open world based on Touhou Project. You complete separate missions as Daiyousei, Kijin Seija, and Ringo, whose goals and faction relationships put them at odds. Combat combines firearms, throwable weapons, and each protagonist’s distinct abilities.

For you if...

+you like experimenting with firearm builds and ammunition types
+you enjoy anime characters in modern military combat

Not for you if...

−you want a lengthy campaign with long missions

What players say

80% of 483 reviews are positive

Players praise the gun customization and enjoy experimenting with weapons. Common complaints concern rough presentation and poor English localization, with recent feedback also criticizing the interface and controls.

Screenshots and trailer

异变战区 E.E.R.I.E system requirements

Minimum: ® HD 620, 4 GB RAM, 3 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7
Processor: Dual Core 2.7 GHz or better
Graphics: Intel® HD Graphics 620
Memory: 4 GB RAM
Storage: 3 GB available space
DirectX: Version 11

Does 异变战区 E.E.R.I.E have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does 异变战区 E.E.R.I.E run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 9
Steam features: Workshop, Family Sharing
Languages: Text only: English, Simplified Chinese.

Does 异变战区 E.E.R.I.E use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam