Buy The Sixth Sin PC Key

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Release: 30 Sep. 2026
HAPPYTECH
HAPPYTECH
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About The Sixth Sin

The Sixth Sin - about the game

The Sixth Sin is an action indie adventure game set in a haunting orphanage where supernatural forces tied to the seven deadly sins test every decision. Players explore the abandoned halls of St. Adela's Orphanage, uncovering a decades-old mystery involving vanished children, a missing carer, and sealed entities bound to everyday objects. The experience blends tense exploration with resource management and ritualistic problem solving in a single-player horror framework on PC.

Gameplay

Inventory management forms the backbone of survival. The bag functions as a grid where each item occupies specific space and can be rotated for better fit. Players must choose what to carry, often leaving behind tools like flashlights, bats, or ritual candles when space runs short. Storage chests and a crafting bench allow expansion of carrying capacity back at a safe base area.

Light serves as both tool and weapon against the supernatural. The flashlight's ultraviolet mode can destroy ghost children that physical attacks cannot touch, though its battery drains quickly during use. Melee options such as swinging a bat or throwing furniture handle the Soulless enemies, but contact with spirits remains impossible without the proper light source.

Puzzles integrate directly into the environment rather than pausing the action in menus. Three-dial symbol locks require standing in the room to manipulate, forcing players to react if threats approach from behind. Symbols appear only under ultraviolet inspection of paintings, some of which shift or watch the player. Successful unlocks can alter nearby paintings when unobserved.

Rituals close the seals binding the entities. These involve freeing caged candles, lighting them in precise sequences, and tracing sigil patterns by hand. Incomplete rituals fail to destroy the threats and instead provoke stronger aggression from them.

Mirrors act as portals when paired with the correct object. Crossing through changes the player in subtle ways upon return, adding layers of consequence to exploration.

Game Modes

The game operates entirely in a single-player narrative mode focused on sequential exploration and decision-making. A guiding voice on the radio offers advice throughout, with players selecting questions that shape the path forward, such as inquiring about immediate actions or the source of prior instructions. No separate multiplayer or competitive modes exist.

Story and Atmosphere

The narrative unfolds across two time periods. In 1996, thirty-two children died silently at the orphanage with no clear cause, leading to the disappearance of carer Mary Doyle and a young resident. Thirty years later, Mary's final request sends the player back with a mysterious box. Earlier events from 1911 reveal Father Thomas Ward's failed ritual that bound six of seven sin entities to objects while leaving the seventh unbound and persuasive.

Atmosphere builds through environmental storytelling. The orphanage holds clues in paintings, letters, and objects that reveal the binding process and its generational renewal. The talking seal adds tension by offering help that may carry hidden costs.

Is It Worth Playing?

Players who enjoy deliberate horror adventures with inventory constraints, environmental puzzles, and ritual mechanics will find a focused experience here. The grid-based bag forces meaningful trade-offs that heighten tension during exploration, while the integration of combat, light management, and on-the-spot puzzles keeps sessions engaging without artificial difficulty spikes. The story of sealed sins and orphanage mysteries provides a self-contained tale suited to those who prefer atmospheric single-player titles over fast action or multiplayer competition. Availability remains limited to the core PC release with no additional modes or ongoing seasonal content confirmed.

Interface:
GermanEnglishSpanish - SpainFrenchItalianJapaneseKoreanRussianTurkishSimplified Chinese
Audio:
English
Subtitles:
GermanEnglishSpanish - SpainFrenchItalianJapaneseKoreanRussianTurkishSimplified Chinese

Age rating

Unavailable
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FAQ

8 questions

Before you start looking for a cheap The Sixth Sin PC key, check the essentials. Developed by HAPPYTECH. Published by HAPPYTECH. PC released date: 30 Sep. 2026. Genres: Action, Indie, Adventure. Categories: Family Sharing, Single-player.

Q

Where to buy a cheap The Sixth Sin Steam key or CD key?

There are currently no active offers for The Sixth Sin. Set a price alert on XD.deals and we will notify you the moment a deal becomes available.

We don't have a current Steam Store price for The Sixth Sin. The game may be temporarily unavailable or not yet listed on Steam.

Our price tracker covers both official retailers and key marketplaces, so you can find The Sixth Sin on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, The Sixth Sin is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. The Sixth Sin has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks The Sixth Sin as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

According to our data The Sixth Sin is not currently available on PC Game Pass, EA Play or Ubisoft+. We are still filling in the catalogues of these services, so it is worth confirming the status at the source before you decide. If you are buying, XD.deals will help you find the lowest price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best The Sixth Sin deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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