東方逆妙乱 ~ Ephemeral Unnatural Balance

Bullet hell shooter where surviving tougher patterns earns extra lives

Ephemeral Entertainment · Released Aug 16, 2019

Reviews: Very Positive; 91% of 90
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Jun 24, 2021
Minimum PC: DirectX 9 GPU; 2 GB RAM · 0.3 GB disk; Full requirements

What is 東方逆妙乱 ~ Ephemeral Unnatural Balance?

This is a single-player, 2D Touhou Project fan shooter set in Gensokyo, where an incident reverses the balance of power. You choose from three characters with different firing patterns, shoot enemies, and dodge bullets across six stages, then unlock an Extra stage by clearing the main scenario.

For you if...

+you enjoy replaying arcade shooters to improve your score

Not for you if...

−you prefer relaxed action with little need for precise dodging

What players say

91% of 90 reviews are positive

Players praise the soundtrack, art direction, and varied boss attack patterns. Some also highlight the lighthearted writing and attention to lesser-known characters.

Screenshots and trailer

東方逆妙乱 ~ Ephemeral Unnatural Balance screenshot 1

東方逆妙乱 ~ Ephemeral Unnatural Balance system requirements

Minimum: DirectX 9 GPU, 2 GB RAM, 0.3 GB of disk space.

As published by the developer.

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Minimum

OS: Windows XP Service Pack 3 or above
Processor: Pentium Dual Core or above
Graphics: DirectX 9 Compatible Onboard Graphics
Memory: 2 GB RAM
Storage: 256 MB available space
DirectX: Version 9.0

Does 東方逆妙乱 ~ Ephemeral Unnatural Balance have co-op or multiplayer?

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

Single-player

Does 東方逆妙乱 ~ Ephemeral Unnatural Balance 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
Steam features: Family Sharing
Languages: Text only: English, Japanese, Simplified Chinese.

Does 東方逆妙乱 ~ Ephemeral Unnatural Balance 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