RESIDUUM is listed on Steam as released October 26, 2026 at $8.99, discounted 10% from a $9.99 base price, developed by Will Nightingale.
VERIFIED Source: Steam store page (appid 4088450), checked 2026-10-27
News · residuum · 2026-10-27
RESIDUUM: Psychological Horror Price and Release Date (Oct 2026)
RESIDUUM is first-person psychological horror out Oct 26, 2026 at $8.99, where a wind-up flashlight and a faulty heartbeat sensor are all you carry.
Status is labeled honestly; nothing here is copied from other sites.
Direct answer
Facts below are verified against the sources listed; nothing here is copied from other sites.
Baseline date: 2026-10-27. Always confirm in-game for anything time-sensitive.
Key facts
What we checked
Each fact lists the source that supports it.
The store page describes a first-person psychological survival horror game set in a decaying science research facility with only a shoddy flashlight.
VERIFIED Source: Steam store page (appid 4088450), checked 2026-10-27
The flashlight needs constant winding, and a faulty heartbeat sensor warns when danger is close.
VERIFIED Source: Steam store page (appid 4088450), checked 2026-10-27
FAQ
Frequently asked questions
How much is RESIDUUM?
It is $8.99 on Steam during its launch discount, down from a $9.99 base price. It released on October 26, 2026.
Is RESIDUUM like The Mandela Catalogue?
The store page says it is inspired in part by analog horror series such as The Mandela Catalogue by Alex Kister, while stating the game is independent and not affiliated with or endorsed by its creator.
Can you fight back in RESIDUUM?
Only limitedly. The store page describes a limited chance to fight back, with the main options being to move, find another route or use that chance.
Does RESIDUUM have co-op?
The store page describes a single-player first-person horror game and does not mention co-op or multiplayer.
Details
The full picture
Written from verified facts; labels mark how strong each statement's evidence is.
What RESIDUUM is
You are abandoned in a decaying science research facility with a shoddy flashlight and monsters hiding in the dark, and the job is to get out alive.
Light is a resource rather than a switch: keep the flashlight wound up at all times and be cautious when moving around.
Encounters vary by threat, so you learn when to move, when to find another route and when to spend your limited chance to fight back.
The game is semi-open, with interconnected areas to search for keys, supplies and clues, and item-based puzzles opening new routes.
Story, puzzles and power management
The narrative is told through recordings, photographs and notes left behind, plus the facility itself, rather than through a narrator explaining the plot.
The questions the store page sets up are what happened to the others, why you are there and what creature lurks in the shadows.
Progress is described as your own: you explore and figure a way out rather than following a fixed sequence of set pieces.
Managing power for the flashlight is the central pressure, since the tool that keeps you oriented is also the one that gives you away.
Who it is for, and what it is inspired by
The store page states RESIDUUM is inspired in part by analog horror series such as The Mandela Catalogue, created by Alex Kister (BOUNDED: official Steam description, checked 2026-10-27).
It also states the game is independent and is not affiliated with or endorsed by that creator, so the reference is an inspiration credit, not a tie-in (BOUNDED: official Steam description, checked 2026-10-27).
The pitch is atmosphere and resource anxiety rather than combat: the store page describes a unique horror experience built on light, sound and route-finding (BOUNDED: official Steam description, checked 2026-10-27).
Nothing in the description mentions co-op or multiplayer, so it is a single-player horror game (BOUNDED: official Steam description, checked 2026-10-27).
Coverage & items to verify
What you can use right now, and what must be re-checked before publishing or by the next update.
| Field | Ready now | To verify |
|---|---|---|
| Facts & sources | 3 verified fact(s), each with its source. | Re-check with the next data pull. |
| Update cadence | Baseline 2026-10-27. | Codes/news re-checked every 3–7 days, daily around events. |
Evidence boundary
Sources behind this page
store.steampowered.com/app/4088450
Opened and used as the reference for the facts above.
Open source ↗Labels: VERIFIED official source · BOUNDED attributable secondary source · COMMUNITY player report pending verification. Re-check time-sensitive data in-game.
Last checked: 2026-10-27Related
Keep reading
Next step