

Fiendish Quest
オニチク屋! · July 24, 2025 · Casual, Adventure, Interactive Fiction, Walking Simulator, Visual Novel
Buy Fiendish Quest from Steam at $9.99 — the cheapest of 1 store we compare.
Where to buy Fiendish Quest — official stores
Fiendish Quest price by region
Fiendish Quest costs £8.50 in the United Kingdom, €9.75 in Europe (EUR), $9.99 in the United States, $9.99 in Georgia (USD), CA$12.99 in Canada, A$14.50 in Australia, NZ$14.75 in New Zealand, R$32.99 in Brazil and zł45.99 in Poland right now.
| Region | Best price | Official store | Key shop | Stores |
|---|---|---|---|---|
| £8.50 | £8.50 | — | 1 | |
| €9.75 | €9.75 | — | 1 | |
| $9.99 | $9.99 | — | 1 | |
| $9.99 | $9.99 | — | 1 | |
| CA$12.99 | CA$12.99 | — | 1 | |
| A$14.50 | A$14.50 | — | 1 | |
| NZ$14.75 | NZ$14.75 | — | 1 | |
| R$32.99 | R$32.99 | — | 1 | |
| zł45.99 | zł45.99 | — | 1 |
Each row is a real price from that region's own stores, not a currency conversion, so the figures are not directly comparable. Switch regions in the header to shop the one you buy in.
Screenshots
About Fiendish Quest
Character
A half-demon, half-human girl.Though she appears mature, she is still innocent and naïve on the inside, with little awareness of the dangers around her.To save her mother—who was turned to stone by a mysterious illness—she musters the courage to go against her grandfather's wishes and leaves the village.Her deep love and determination for her mother become the driving force behind her growth and adventure.A young swordsman who trains hard with one goal: to protect his childhood friend, Tarna.Though he cares deeply for her, his shyness causes him to act awkwardly, unable to express his feelings honestly.While he does not travel with her, his heart is always with her.
Game System
■ Orbs Scattered Across the WorldExploration and treasure hunting are the core of the game.The player must find all seven orbs hidden around the world in order to have their wish granted.Clues to their locations can be obtained by consulting the fortune teller at the Adventurer’s Guild.Some regions may be blocked by obstacles. In such cases,you'll need to find specific "key items" to unlock the path and continue your adventure.Clues about the orbs' locations can be obtained from a fortune teller at the Adventurers' Guild,helping you take the next step in your quest.■ Find the Right Weapon!Choose weapons suited to the enemies you encounter.With the right equipment, you'll be able to launch enemies away the moment they get close!Having the appropriate weapons makes infiltrating enemy bases much easier.On the other hand, entering without the correct weapons means you'll have to avoid all enemies.Get hit too many times, and it's an instant GAME OVER.Fiendish Quest — game info
- Platforms
- Windows
- Steam Deck
- Verified
- Player modes
- Single-player
- PC Game Pass
- Not included
What Steam players say
Recent verbatim reviews from Steam — separate from playze.io community reviews below.
[h1]Concise Game Reviews: Fiendish Quest [オニチクエスト ~処女(ゼロ)から始まる孕まされ性活~][/h1] [i](Scroll down for the longer version)[/i] [table] [tr] [th][b]Game Value:[/b][/th] [td]✅ [b]Recommended for players interested in a dark fantasy H-RPG featuring a pure-hearted Oni heroine navigating a cruel, unforgiving world where most erotic events result from mistakes.[/b] In Fiendish Quest, you follow the journey of Tarna, a kind-hearted and naive half-Oni girl who leaves her secluded mountain village for the first time. Her goal is simple but desperate—to find a cure for the mysterious affliction that has turned her mother to stone. Unfamiliar with the outside world and raised with little understanding of human cruelty, Tarna ventures alone, driven by love and resolve. But what awaits her is a harsh, unforgiving land where kindness is often met with exploitation, and trust becomes a dangerous gamble. As she searches for hope, her innocence is tested at every turn by the selfishness, deceit, and lust of those she encounters. [i]Will Tarna survive with her innocence intact—or will her quest end in tears, shame, and endless torment?[/i][/td] [/tr] [tr] [td][b]Adult Content Tags:[/b][/td] [td]✔Non-C…50 found this helpful
[後半に日本語レビューあり] [h1] A cruel loop of suffering where failure teaches survival—painful yet purposeful H-RPG [/h1] Fiendish Quest is a dark adventure about Tana, a half-demon girl on a mission to save her petrified mother. You explore deadly maps, avoid traps, and collect items—but failure is punished with graphic, non-consensual H scenes. Every defeat alters the world, showing consequences through permanent changes or public shame. Few combat exists—only choices and exploration. Over time, Tana learns to avoid humiliation through experience. Despite the intense content (restraint, pregnancy, defilement), there’s a grim emotional arc: how innocence is tested, and resistance forged. The artwork is high-quality, and there’s a genuine sense of narrative progress through repeated trauma. Not for the faint of heart—but for those who appreciate storytelling through loss and corruption, it offers a brutal kind of fulfillment. Ext.whole content. [h1] 失敗と恥辱が世界を変える――繰り返しで学び抜け出す、痛みを核としたH-RPG [/h1] 『Fiendish Quest』は、石化した母を救うために旅立った半鬼少女ターナが、無防備さゆえに何度も痛みと屈辱を味わい、そこから生き延び方を学んでいく――そんな「失敗が意味を持つ」ダークADV型H-RPG。 殆ど戦闘は存在せず、探索とトラップ回避が主軸。失敗すると非同意のHシーンが発生し、村人にバレたり、痕跡が残ったりと、敗北が世界に影響を与える。だがその積み重ねが、彼女を少しずつ強く…15 found this helpful
[h1]Fiendish Quest[/h1] [quote] Follow [url=https://store.steampowered.com/curator/45434562/]Good Game Collections[/url] to check other reviews. Let's collect good games together~! [/quote] [h2]Conclusion (If you don’t feel like to read the full text)[/h2] [b]Fiendish Quest[/b] is an RPG eroge that explores the cruelty of human nature in a harsh and unforgiving world. The story follows [b]Tana[/b] who struggles to find a way to cure her mother from a mysterious petrification. No matter what choice she picks, it ultimately leads to tragedy. The H-scenes are decent though most of them are non-consensual in nature. The game is built on an older system, so there are several minor issues throughout. However, if you can look past these flaws and are interested in experiencing dark and merciless world-building, this title is definitely worth a try. [b]F5 to adjust volume[/b] [b]F5 to adjust volume[/b] [b]F5 to adjust volume[/b] [h2]Introduction[/h2] [b]Tana[/b] is a kind-hearted and naive half-demon, half-human girl, and lives in a secluded village with her grandfather. One day, after rescuing an adventurer, she learns that her long-lost father has still been tirelessly searching for …10 found this helpful
For what I played I enjoyed but your game is pretty broken between having to fix the fonts on it and then the maps going missing halfway through the game you're released a half baked game it's fixable but it has to be from your end. Sad game has lot potential but need be patch up it's glitchy and being kicked out of the game half the time is not a good business model release game half baked . update I've tried playing this on my laptop on my PC just see if just steam deck it is not there are parts of the games that will kick you out and give you a message error . Saying it's messing some images are missing maps it sad look forward to game but need TLC badly8 found this helpful
Good attempt... but very repetitive... they used the same Gang grape scenes about 10 times. Also, her boobs are not resize-able, so the marketing is a bit of Panel Magic. She has no sisters and while there are some pixel scenes of her hellspawn being graped, there are zero hero images of that hapenening. I also didn't find a full unlock cheat mode so getting all the scenes can be quite tedious. It's a fine game for people of culture, but it seems a bit rushed and somewhat low effort. There are no bunny girls, no black hair, no blonde hair, no oyakudon not even good fera or machiato... the story is decent enough, but this level of hardcore doesn't make up for the lazy CG that seems to have been made by 3 different people and the total lack of character variety. The issues are compounded by the fact that the corruption mechanics are too limited. No matter what you do, you'll finish the game as a "virgin" despite watching her get graped by 100 guys. At this price i'm willing to forgive these issues, it's not slop, but it's not great either. I rate this as a "might goon" game.
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