Koumajou Remilia: Scarlet Symphony

Side-scrolling action mixing close-range combat with bullet-hell boss fights

Frontier Aja, CFK Co., Ltd. · Published by CFK Co., Ltd. · Released Jul 27, 2022

Reviews: Mixed; 66% of 272
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 4 years ago; Oct 28, 2022
Minimum PC: GeForce GTX 460; 1 GB disk; Full requirements

What is Koumajou Remilia: Scarlet Symphony?

A remastered 2D action game set in Gensokyo, where Reimu Hakurei investigates the return of the Scarlet Mist. You fight and fly toward the Scarlet Devil Mansion, using a wand for close combat, charms for ranged attacks, and Souls to summon support attacks from allies.

For you if...

+you like Castlevania-style action mixed with Touhou characters

Not for you if...

−you want interconnected exploration rather than stage-based progression

What players say

66% of 272 reviews are positive

Players praise the character designs and Japanese voice acting. Common complaints focus on sluggish or floaty controls that make dense boss attacks difficult to dodge, along with a short campaign and uneven level design.

Screenshots and trailer

Koumajou Remilia: Scarlet Symphony screenshot 1

Koumajou Remilia: Scarlet Symphony system requirements

Minimum: GeForce GTX 460, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows® 7 (SP1) / Windows® 8 / Windows® 8.1
Processor: 2.6 GHz Intel® Core™ i5-750 or 3.2 GHz AMD Phenom™ II X4 955
Graphics: NVIDIA GeForce GTX 460 or AMD Radeon HD5850 (1 GB VRAM)
Storage: 1 GB available space

Does Koumajou Remilia: Scarlet Symphony have co-op or multiplayer?

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

Single-player

Does Koumajou Remilia: Scarlet Symphony run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 40
Steam features: Family Sharing
Languages: Full audio: Japanese. Text only: English, French, Simplified Chinese, Traditional Chinese, Korean.

Does Koumajou Remilia: Scarlet Symphony 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