Sublevel Zero Redux

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Sublevel Zero Redux
Sublevel Zero Redux cover
Sigtrap Games
Unity 5[Note 1]
Release dates
Windows October 8, 2015
macOS (OS X) November 19, 2015
Linux November 19, 2015

General information Community Discussions Support Page
Steam Community Discussions


Downloadable content (DLC) and expansions

Name Notes
macOS (OS X)

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\PlayerData\Settings[Note 2]
HKEY_CURRENT_USER\Software\SIGTRAP Games\Sublevel Zero
macOS (OS X)
It's unknown whether this game follows the XDG Base Directory Specification on Linux. Please fill in this information.

Save game data location[edit]

System Location
Windows <path-to-game>\PlayerData\Save[Note 2]
macOS (OS X) <path-to-game>/PlayerData/Save
Linux <path-to-game>/PlayerData/Save

Save game cloud syncing[edit]

System Native Notes
GOG Galaxy
Steam Cloud

Video settings[edit]

Video settings.
Video settings.
Graphics feature State Notes
Widescreen resolution
In fullscreen mode, setting only affects the renderer resolution and the game always upscales to desktop resolution.[2]
4K Ultra HD
Field of view (FOV)
Slider under Video Options. 70° - 100° Hor+.
Borderless fullscreen windowed
Enable windowed mode and use the -popupwindow parameter.
Anisotropic filtering (AF)
See the glossary page for potential workarounds.
Anti-aliasing (AA)
FXAA (Low) and SMAA (High) + GUI anitaliasing.
Vertical sync (Vsync)
60 FPS and 120+ FPS
No noticable framerate cap.[2]

Input settings[edit]

Input settings.
Input settings.
Keyboard and mouse State Notes
Mouse acceleration
Slider. There is a limit on how fast the player can turn, making it seem like there is negative mouse acceleration.[2]
Mouse sensitivity
Mice tend to be less responsive on Linux. Developer recommends increasing sensitivity in the control options for now.
Mouse input in menus
Mouse Y-axis inversion
Separate option present for a controller.
Controller support
Supports XInput and DirectInput controllers.
Full controller support
Controller remapping
Controller sensitivity
Controller Y-axis inversion
Separate option present for a mouse.
Controller types
XInput-compatible controllers
Xbox button prompts
Impulse Trigger vibration
DualShock 4 controllers
Tracked motion controllers
Generic/other controllers
Button prompts Input settings icon - Generic Controller.svg
Additional information
Controller hotplugging
Haptic feedback
Simultaneous controller+KB/M
Steam Input
Steam Input API support
Hook input (legacy mode)
Official controller preset(s)
Steam Controller button prompts
Cursor detection

Audio settings[edit]

Audio settings.
Audio settings.
Audio feature State Notes
Separate volume controls
Surround sound
All story is told via text only.
Closed captions
Mute on focus lost


Language UI Audio Sub Notes

VR support[edit]

3D modes Native Notes
Nvidia 3D Vision
See Helix Mod: Sublevel Zero.
Headsets Native Notes
HTC Vive
Oculus Rift
Windows Mixed Reality
This game might be playable with the Revive Compatibility Layer (compatibility list).
Devices Native Notes
Tracked motion controllers
Traditional controller
See Input settings for details.
Tobii Eye Tracking
Play area Native Notes

Issues unresolved[edit]

(Linux) Crash when using antialiasing[edit]

Some AMD cards and drivers (particularly, in our experience, the proprietary drivers) crash when using antialiasing in Unity.

  • If you experience this, try to run the game with -screen-quality noaa

(Linux) Issues when switching resolutions[edit]

  • Some users may have issues with switching resolutions. Developer reports it may be a Unity-wide issue.[citation needed]

(Linux) Volumetric lighting is bugged[edit]

  • Volumetric lighting is bugged on most cards/drivers. It's turned off by default in the Linux version but you can still try it from the Video menu if you like. You're likely to get white flashes and/or strange black triangles appearing. Developer is looking into solving this.

Sounds stops playing when transitioning to the next level[edit]

When transitioning to the next level, often sounds stops playing. May be related to windowed mode.

Other information[edit]


Technical specs Supported Notes
Direct3D 9, 11
Shader Model support 3, 5
64-bit executable

System requirements[edit]

Operating system (OS) XP, 7, 8, 10
Processor (CPU) Dual core 2.5 GHz
System memory (RAM) 2 GB
Hard disk drive (HDD) 800 MB
Video card (GPU) Nvidia GeForce GT 520
AMD Radeon HD 3850
Shader model 3.0 support
macOS (OS X)
Operating system (OS) 10.9.0+
Processor (CPU) Dual core 2.5 GHz
System memory (RAM) 4 GB
Hard disk drive (HDD) 800 MB
Video card (GPU) Nvidia GeForce GT 520
AMD Radeon HD 3850
Shader model 3.0 support
Operating system (OS) Ubuntu 14.04
Processor (CPU) Dual core 2.5 GHz
System memory (RAM) 2 GB
Hard disk drive (HDD) 800 MB
Video card (GPU) Nvidia GeForce GT 520
AMD Radeon HD 3850
Shader model 3.0 support


  1. Unity engine build: 5.4.5f1[1]
  2. 2.0 2.1 When running this game without Administrator elevation, activity in %PROGRAMFILES%, %PROGRAMFILES(X86)%, and %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore\ (more details).


  1. Verified by User:Vetle on 2018-05-13
  2. 2.0 2.1 2.2 Verified by User:Suicide machine on August 13, 2016
  3. 21x9 resolution :: Sublevel Zero General Discussions