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노베나 디아볼로스

노베나 디아볼로스

Novena diabolos is an Ocult mystery adventure game. The main character, Park Joon-sung, has to find a single human woman who doesn't know who she is and get out of town safely.

Released Apr 26, 2020 Developer H5DEV Games Platforms Windows · Mac SimulationAdventureIndieVisual NovelMystery
View on Steam ↗ $18.99 (US · as of 2026-09-05)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-02 · quoted reviews as of 2026-05-13.

93.3%positive1,571 reviews
Recommended · 23 found this helpful

“Had a lot of fun, wish it gets english version!! 엔딩공략모드를 몰라서 세희엔딩 볼라고 엄청 돌렸는데 너무 재밌고 매력있는 각각의 캐릭터들에게 정든 시간이었어요 :)”

— a player, Steam review · 41 hrs played
Recommended · 10 found this helpful

“I almost didn't buy this game because I thought it would be a romance visual novel... but boy was I wrong. This game is so much more. 60 hours into the game, and I still haven't finished everything. I'm going to miss this game now that I've completed it a couple of times. The…”

— a player, Steam review · 60 hrs played
Recommended · 0 found this helpful

“Great story, little but sufficient horror sources, easy inferences, and awesome endings.”

— a player, Steam review · 43 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2025-09 via SteamCharts.

528all-time peak
0 100 200 2021 2022 2023 2024 2025 No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period No data collected for this period 101 avg · May 2020

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-05.

70achievements
28.0%median completion
5.7%rarest: 꼭 다시 일어나실 거예요
96.0% of players 94.2% of players 91.5% of players 72.1% of players 61.4% of players 56.1% of players 48.8% of players 48.7% of players 48.4% of players 47.5% of players 47.5% of players 47.3% of players 47.3% of players 46.0% of players 45.3% of players 43.1% of players 43.0% of players 42.9% of players 42.8% of players 42.1% of players 41.5% of players 39.8% of players 39.5% of players 39.2% of players 38.9% of players 38.5% of players 38.2% of players 38.1% of players 37.7% of players 36.7% of players 36.5% of players 35.3% of players 29.9% of players 29.4% of players 28.3% of players 28.0% of players 27.8% of players 20.1% of players 16.2% of players 15.5% of players 15.4% of players 15.3% of players 15.0% of players 14.6% of players 14.1% of players 14.0% of players 14.0% of players 13.7% of players 13.6% of players 12.3% of players 11.4% of players 10.9% of players 10.9% of players 10.5% of players 10.3% of players 9.2% of players 9.1% of players 9.1% of players 9.0% of players 8.9% of players 96.0% 0% most earned rarest
Almost everyone has
96.0%어서오세요 손님 — 소망여관에 처음 도착했다.
94.2%이제부터 시작이야 — 첫번째 사건현장 클리어
91.5%장르변경 — 입회자를 처음 만났다.
Rarest badges of honor
5.7%꼭 다시 일어나실 거예요 — 현민아 DLC 노말엔딩 달성
5.7%풀리지 않은 의문을 삼키며 — 한세희 DLC 노말엔딩 달성
5.8%어려졌을 땐 잘 했었는데… — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$18.99current · sampled 2026-09-05 20:23 UTC
$11.39lowest since tracking began2026-08-12
US18.99 USD
UK14.49 GBP
Australia26.95 AUD
Canada21.79 CAD
Japan1,950 JPY
Brazil70.00 BRL
China80.00 CNY

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

China≈$12 Japan Brazil Canada US Australia UK≈$20

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-04). Relative comparison only.

$0 $25 $50 07-11 07-22 08-02 08-13 08-24 09-05

Latest official news

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

Dec 03, 2025
[Novena Mini Theater] Episode 8 (Finale)

The 8th and final episode of the mini-animation , celebrating the 4th anniversary of Novena Diabolos, is now available.

May 09, 2025
[Novena Mini Theater] Episode 7
Apr 09, 2025
[Novena Mini Theater] Episode 6
Mar 09, 2025
[Novena Mini Theater] Episode 5

The 4th Anniversary Mini Animation of Novena Diabolos "Novena Mini Theater" Episode 5 has been released.

Feb 09, 2025
[Novena Mini Theater] Episode 4

The 4th Anniversary Mini Animation of Novena Diabolos "Novena Mini Theater" Episode 4 has been released.

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From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

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Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-13.

GenresAdventure, Indie, Simulation
Player tagsSimulation · Adventure · Indie · Visual Novel · Mystery · Detective · Thriller · Puzzle · Anime · Singleplayer · Horror · Story Rich (SteamSpy community voting)
FeaturesSingle-player · Steam Achievements · Family Sharing
LanguagesKorean * *
Achievements70
Minimum system requirements (PC)

Minimum: OS: Processor: Memory: 4 GB RAM Graphics: Storage: 3 GB available space