IS Defense

IS Defense is a singleplayer first-person FPS game.

General information

Availability

Source	DRM	Notes	Keys	OS

Steam

Essential improvements

Skip intro videos

Delete or rename video files^{[citation needed]}
Go to `<path-to-game>\ISDefense\Content\Movies`. Delete or rename `Default_Startup.mp4` and `ISD_Intro.mp4`.

Game data

Configuration file(s) location

System	Location
Windows	<path-to-game>\IS Defense\Saved\Config\WindowsNoEditor^{[Note 1]}
Linux

It's unknown whether this game follows the XDG Base Directory Specification on Linux. Please fill in this information.

Save game data location

System	Location
Windows	<path-to-game>\IS Defense\Saved\SaveGames^{[Note 1]}
Linux

Save game cloud syncing

System	Native	Notes
Steam Cloud

Video

Graphics settings.

Advanced graphics settings.

Graphics feature	State	Notes
Widescreen resolution
Multi-monitor		Official support for 5760x1080.^[1]
Ultra-widescreen
4K Ultra HD
Field of view (FOV)		Located in Gameplay options.
Windowed
Borderless fullscreen windowed
Anisotropic filtering (AF)		See the glossary page for potential workarounds.
Anti-aliasing (AA)		TAA and FXAA. Also features SSAA via Screen Percentage in Advanced
Vertical sync (Vsync)
60 FPS and 120+ FPS		Cap which is adjustable up to 144 FPS. See High frame rate.
High dynamic range display (HDR)		See the engine page to force native HDR output, or the glossary page for other alternatives.

The game engine may allow for manual configuration of the game via its variables. See the Unreal Engine 4 page for more details.

Disable Chromatic aberration

Modify configuration files
Go to the configuration file(s) location. Open `GameUserSettings.ini`. Change `ColorFringeQuality 1` to `ColorFringeQuality 0`

Disable Film grain

Modify configuration files
Go to the configuration file(s) location. Open `GameUserSettings.ini`. Change `FilmGrainQuality 1` to `FilmGrainQuality 0`

High frame rate

Modify configuration file
Go to the configuration file(s) location. Open `GameUserSettings.ini`. Change `MaxFPS=` to desired value.

Input

Controls settings.

Keyboard and mouse	State	Notes
Remapping
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller
Controller support

Controller types

Audio

Audio settings.

Audio feature	State	Notes
Separate volume controls		Master, Effects and Music.
Surround sound
Subtitles
Closed captions
Mute on focus lost

Localizations

Language	UI	Audio	Sub	Notes
English

Other information

API

Technical specs	Supported	Notes
Direct3D	11
OpenGL	3	Linux only
Shader Model support	5.0

Executable	32-bit	64-bit	Notes
Windows
Linux

System requirements

Windows
	Minimum	Recommended
Operating system (OS)	Vista SP2, 7 SP1, 8.1, 10	7 SP1, 8, 8.1, 10
Processor (CPU)	Intel Core i5-750 2.6 GHz AMD Phenom II X4 955 3.2 GHz	Intel Core i5-3570 3.4 GHz AMD FX 8350 3.4 GHz
System memory (RAM)	4 GB	8 GB
Hard disk drive (HDD)	4 GB
Video card (GPU)	Nvidia GeForce GTX 460 AMD Radeon HD 5850 1 GB of VRAM DirectX 11 compatible	Nvidia GeForce GTX 670 AMD Radeon R9 285 2 GB of VRAM Shader model 5.0 support

A 64-bit operating system is required.

Linux
	Minimum	Recommended
Operating system (OS)	Ubuntu Equivalent Distro
Processor (CPU)	Intel Core i5-750 2.6 GHz AMD Phenom II X4 955 3.2 GHz	Intel Core i5-3570 3.4 GHz AMD FX 8350 3.4 GHz
System memory (RAM)	4 GB	8 GB
Hard disk drive (HDD)	4 GB
Video card (GPU)	Nvidia GeForce GTX 460 1 GB of VRAM OpenGL 3 compatible	Nvidia GeForce GTX 670 AMD Radeon R9 285 OpenGL 3 compatible

A 64-bit operating system is required.

Notes

↑ ^1.0 ^1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).

References

↑ Update #3 - Steam Community :: Group Announcements :: IS Defense - last accessed on 9 June 2023

[gamedir-1] 1.0 ^1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).

[2] Update #3 - Steam Community :: Group Announcements :: IS Defense - last accessed on 9 June 2023

[Note 1]

[1]

Developers

	Destructive Creations
Engines
	Unreal Engine 4
Release dates
Windows	April 19, 2016
Linux	April 19, 2016
Taxonomy
Monetization	One-time game purchase
Modes	Singleplayer
Pacing	Real-time
Perspectives	First-person
Controls	Direct control
Genres	FPS