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Demon Sword: Incubus

Demon Sword: Incubus

Use sword and spell combos to slash and blast through hordes of attacking enemies! Guard break a boss's defenses, find an opening, then obliterate them for good with a well-placed super deadly attack! Satisfying 3D side-scrolling action with game-play elements inspired by fighting games!

Released Jun 17, 2022 Developer Brianode Publisher Eroge Japan Platforms Windows ActionRPG2D FighterJRPG3D Fighter
View on Steam ↗ $19.99 (US · as of 2026-09-28)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-27.

76.6%positive192 reviews
Recommended · 0 found this helpful

“I like it.”

— a player, Steam review · 6 hrs played
Not recommended · 0 found this helpful

“Censored even with patch.”

— a player, Steam review · 1 hrs played
Read more reviews ↗

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-27.

29achievements
8.4%median completion
1.0%rarest: Demon Sword Devotion
73.5% of players 64.4% of players 56.1% of players 44.9% of players 37.6% of players 34.9% of players 31.7% of players 30.4% of players 26.9% of players 24.7% of players 18.5% of players 17.8% of players 10.4% of players 9.2% of players 8.4% of players 7.0% of players 7.0% of players 4.4% of players 3.9% of players 3.7% of players 3.6% of players 2.1% of players 1.8% of players 1.5% of players 1.4% of players 1.4% of players 1.3% of players 1.2% of players 1.0% of players 73.5% 0% most earned rarest
Almost everyone has
73.5%Lovely Young Lady — Change your costume in the dressing room.
64.4%Bandit — Defeat Bandit on a difficulty setting of Normal or higher.
56.1%Orc Ogre — Defeat Orc Ogre on a difficulty setting of Normal or higher.
Rarest badges of honor
1.0%Demon Sword Devotion — Unlock all achievements.
1.2%Lightning Speed — Complete the Time Attack Mode in less than 60 minutes.
1.3%Heart Collector — Find all the hidden talent points throughout the map.

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-28. Steam prices vary by region — always confirm your local price on Steam.

$19.99current · sampled 2026-09-28 23:18 UTC
$19.99lowest since tracking began2026-09-28
US19.99 USD
EU19.50 EUR
UK16.75 GBP
Australia29.50 AUD
Canada25.99 CAD
Japan1,980 JPY
Brazil59.99 BRL
China76.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$11 Brazil Japan Canada US Australia EU UK≈$22

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-28). Relative comparison only.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Jun 08, 2026
New Release: “Mystic Courtesan Stories: Trainee Maria♥” Out Now‼

An adult visual novel where you teach rookie succubus Maria her sweet, bewitching “nighttime lessons.” From tender, sugary scenes to perverted play we can’t even mention here—all delivered with gorgeo

Nov 22, 2025
Forbidden survival horror DYSTHANASIA is out now!

DEMONOPHOBIA... A new wave of madness and despair rises once more. After many hardships and countless twists and turns, DYSTHANASIA has finally been released. For the first two weeks after launch, a 2

Nov 18, 2023
DLC "Seed of the Dead: Charm Song" is released!

Take the post apocalyptic world by storm with an enchanting voice as your weapon! Survive the zombie hellscape and strive to emerge as its #1 top idol! Jam-packed with brand new array of absurd conten

Jul 06, 2022
The soundtrack is now available free of charge!

We're offering this game's soundtrack free of charge to all purchasers!!! It contains 34 tracks used in the game, totaling 1 hour and 18 minutes of music in MP3 and high quality FLAC data. All purchas

Jul 01, 2022
[Patch note: Ver. 1.17b5] Fixed display issues in ultra-wide screen

- Fixed an display issue in ultra-wide screen. - Adjusted finish moves.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-27.

GenresAction, Indie, RPG
Player tagsAction · RPG · 2D Fighter · JRPG · 3D Fighter · Beat 'em up · 3D Platformer · Side Scroller · Spectacle fighter · 2.5D · 3D · Cute (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Custom Volume Controls · Adjustable Difficulty · Gamepad Recommended · Stereo Sound · Steam Cloud
LanguagesJapanese * , English, Simplified Chinese, Traditional Chinese *
ControllerFull support
Achievements29
Official sitehttps://erogejapan.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7, 8, 8.1, 10 64bit Processor: Quad-core Intel or AMD processor, 2.5 GHz or faster Memory: 8 GB RAM Graphics: NVIDIA GeForce GTX 760 or AMD Radeon R9 285 series card or higher DirectX: Version 11 Storage: 1 GB available space Sound Card: Integrated Sound Chip