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One Late Night: Deadline

Game overview

One Late Night: Deadline

One Late Night: Deadline continues the story of One Late Night, a horror/mystery game where you play the role of an office worker caught in the middle of the paranormal activity that has broken out in a seemingly ordinary office building. Freely explore the 5 story office complex that houses several different companies.

Horror Adventure First-Person Psychological Horror Atmospheric
Last tracked players
0
All-time peak
1
24-hour change
Unavailable
Steam reviews
29% positive
186 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
One Late Night: Deadline continues the story of One Late Night, a horror/mystery game where you play the role of an office worker caught in the middle of the paranormal activity that has broken out in a seemingly ordinary office building. Freely explore the 5 story office complex that houses several different companies. Look for clues around the offices, read newspapers about local events, hack your colleagues emails – anything that might tell you something related to the strange happenings.

You arrive at your work late in the night. The rain is pouring down and a storm is closing in fast. Everyone has gone home for the day a long time ago, but the lights in the lobby are still on as usual. As you enter the office complex through the main entrance, you immediately feel the emptiness and begin to go over in your head “what the hell you are doing here in the middle of the night?”, when you could be at home getting some well-deserved sleep. However, while your mind is clouded with the details of your precious deadline, you are unaware of lurking danger in the building and what has occurred during the night. Something has been set free; something that’s not from the world of the living. The shadowy and long hallways beckon you as you attempt to unravel the mystery that has befallen the unassuming offices. Has everyone really gone home, or is someone or something still here?

Facts

  • Objectives
    The entire game revolves around completing objectives and other small tasks. These objectives may trigger at certain points in the game or by witnessing certain events. The objectives does not all have to be completed in a linear fashion, and some does not have to be completed at all.
  • Cellphone
    You can use your cellphone as a light source in dark areas and shine in the direction you look. You do not have to go on a tedious battery hunt for the flashlight, but it will drain over time. The battery will replenish automatically over time after you put away the cellphone.
  • Parallel dimensions
    One Late Night: Deadline brings you a parallel dimension where you might see things otherwise not visible to the naked eye. So, if things look bleak and you’ve lost your way, use your cellphone to tap into this mysterious second dimension and things will soon become clearer. But beware; you might see more than you wished for.
  • Computers
    Along your way you will come across computers that can be manipulated. You can use these computers to gather clues and information by reading employee emails. However, some computers are locked and require you to use a password, but if you are stuck you can try to hack them. If you find a Hack disc it will help you immensely in the hacking process.
  • Drowsiness
    When your eyes grow weary and you begin feeling tired, you can head for the nearest vending machine to replenish your energy. If you move around for too long without having a drink you will eventually collapse from exhaustion. Running will make you tired much faster. If you are lucky you might find Dexterity tablets that you can eat along the way and instantly restore your energy.
  • Doors
    All security doors are unlocked using keycards. This is the lowest form of security in the building. Some doors also require a code. You start out with a default keycard that lets you in through some doors.
  • Save game
    You can save the game progress by using the coffee machines located conveniently around the building.
  • A real world
    All the environments are designed from a real-world perspective and based on a real office building for authenticity.
  • Your choice
    You choose the outcome of the game by either completing the game in the quickest and simplest way or by taking the long route and digging deeper.
  • A full soundtrack
    A full OST composed by the talented Pontus Malmquist, known for his outstanding music from the original One Late Night.

Player activity

Concurrent players over the last 48 hours.

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Content update 1.1 is now available! Status update and general game info Patch version 1.0.5 ready
System requirements Windows

Windows

Minimum

Minimum:
  • OS *: Windows XP / Vista / 7 / 8
  • Processor: Intel Core 2 Duo or AMD equivalent
  • Memory: 4 GB RAM
  • Graphics: DirectX9c compliant card with at least 1024MB of VRAM
  • DirectX: Version 9.0
  • Storage: 1250 MB available space
  • Sound Card: DirectX9c compliant
  • Additional Notes: Rquirements are based on desktop hardware. Some AMD based hardware may experience lesser performance.

Recommended

Recommended:
  • OS *: Windows 7 SP1 64-bits
  • Processor: Intel Core 2 Quad or AMD equivalent
  • Memory: 8 GB RAM
  • Graphics: DirectX9c compliant card with at least 2048MB of VRAM
  • DirectX: Version 9.0c
  • Storage: 1250 MB available space
  • Sound Card: DirectX9c compliant
  • Additional Notes: Rquirements are based on desktop hardware. Some AMD based hardware may experience lesser performance.
Game details Languages, features & support
Publisher
Black Curtain Studio
Brazilian rating
14
Steam Germany rating
16
Controller support
partial
Features
Single-player, Partial Controller Support, Family Sharing
Languages
English*
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unsupported
Valve compatibility test
Input
Controller support: unknown
Structured language support (1)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes

Third-party requirements shown by Steam

Requires agreement to a 3rd-party EULA One Late Night: Deadline EULA
Steam store page fresh · checked 2026-11-04 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Genre Benchmarks

Player Count Top 14%
Value Ratio Top 6%

Activity Heatmap

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Developer Analytics

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Frequently Asked Questions

Is One Late Night: Deadline free to play?
One Late Night: Deadline costs $0.99 on Steam.
What genre is One Late Night: Deadline?
One Late Night: Deadline is a Adventure, Indie, Simulation, Free To Play game.
Who developed One Late Night: Deadline?
One Late Night: Deadline was developed by Black Curtain Studio and published by Black Curtain Studio.
What platforms does One Late Night: Deadline support?
Available on Steam for Windows.

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