Demon Sword: Incubus

Side-scrolling action RPG with swordplay shaped by fighting-game commands

Brianode · Published by Eroge Japan · Released Jun 17, 2022

Reviews: Mostly Positive; 73% of 205
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 28, 2026
Steam Deck: Verified
Last update on Steam: 4 years ago; Jul 1, 2022
Minimum PC: GeForce GTX 760; 8 GB RAM · 1 GB disk; Full requirements

What is Demon Sword: Incubus?

A single-player action RPG with 3D graphics and side-scrolling stages, following Amila as she wields an incubus-possessed sword against a demonic invasion of her kingdom. You combine sword attacks and spells, break guards, and face a boss at the end of each stage. Leveling grants talent points for stat upgrades and new abilities.

For you if...

+you like collecting outfits and customizing the heroine's appearance
+you prefer adjustable difficulty rather than a fixed challenge

Not for you if...

−you want to avoid sexual themes and fanservice

What players say

73% of 205 reviews are positive

Players praise the combat's skill and combo options. Recurring reservations concern the short campaign and value at full price. A recent negative review also criticizes unresponsive controls and an overly complicated move set.

Screenshots and trailer

Demon Sword: Incubus system requirements

Minimum: GeForce GTX 760, 8 GB RAM, 1 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7, 8, 8.1, 10 64bit
Processor: Quad-core Intel or AMD processor, 2.5 GHz or faster
Graphics: NVIDIA GeForce GTX 760 or AMD Radeon R9 285 series card or higher
Memory: 8 GB RAM
Storage: 1 GB available space
DirectX: Version 11

Does Demon Sword: Incubus have co-op or multiplayer?

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

Single-player

Does Demon Sword: Incubus 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: Full controller support
Platforms: Windows
Achievements: 29
Steam features: Cloud saves, Family Sharing
Languages: Full audio: Japanese. Text only: English, Simplified Chinese, Traditional Chinese.

Does Demon Sword: Incubus 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