XCOM: Enemy Unknown

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XCOM: Enemy Unknown

Developers
	Firaxis Games
Publishers
	2K Games
OS X, Linux	Feral Interactive
Engines
	Unreal Engine 3
Release dates
Windows	October 9, 2012
macOS (OS X)	April 25, 2013
Linux	June 19, 2014

Warnings

The macOS (OS X) version of this game does not work on macOS Catalina (version 10.15) or later due to the removal of support for 32-bit-only apps.

X-COM
X-COM: UFO Defense	1994
X-COM: Terror from the Deep	1995
X-COM: Apocalypse	1997
X-COM: Interceptor	1998
X-COM: Email games	1999
X-COM: Enforcer	2001
XCOM: Enemy Unknown	2012
The Bureau: XCOM Declassified	2013
XCOM 2	2016
XCOM: Chimera Squad	2020

This page is for the reboot. For the original game, see X-COM: UFO Defense.

Key points

The game suffers from an abundance of bugs. Some bugs were game-breaking as of 2012.

General information

PC Report - XCOM: Enemy Unknown on Linux

Steam Community Discussions

Official Forum - not PC-specific

Availability

Source	DRM	Notes	Keys	OS
Retail
Amazon.com
Green Man Gaming
GOG.com		Complete Pack
Humble Store		Complete Edition
Mac App Store		Elite Edition
Steam		Steam CEG 1.1.0.2100

Version differences

GOG.com version is single-player only.

DLC and expansion packs

Name	Notes
Elite Soldier Pack	Part of Complete Pack. Pre-order bonus.
Slingshot Pack	Part of Complete Pack.
XCOM: Enemy Within	Part of Complete Pack.

Essential improvements

Skip intro videos

Use the -nostartupmovies command line argument

Turn off multiplayer chat

Turn off multiplayer voice chat
Go to the configuration file(s) location. Open XComEngine.ini or DefaultEngine.ini. Find the [VoIP] section Change the value of bHasVoiceEnabled to false

Enable armor tint options

Enable armor tints
Go to the configuration files location. Open XComGame.ini or DefaultGame.ini. Add the following lines at the end [XComStrategyGame.XGCustomizeUI] bArmorDecoAvailable=true bArmorTintAvailable=true

Game data

Configuration file(s) location

System	Location
Windows	%USERPROFILE%\Documents\My Games\XCOM - Enemy Unknown\XComGame\Config\ %USERPROFILE%\Documents\My Games\XCOM - Enemy Within\XComGame\Config\
macOS (OS X)	~/Library/Application Support/Feral Interactive/XCOM Enemy Unknown/
Linux	$XDG_DATA_HOME/feral-interactive/XCOM/WritableFiles/

This game follows the XDG Base Directory Specification on Linux.

Save game data location

System	Location
Windows	%USERPROFILE%\Documents\My Games\XCOM - Enemy Unknown\XComGame\SaveData\ %USERPROFILE%\Documents\My Games\XCOM - Enemy Within\XComGame\SaveData\
macOS (OS X)	~/Library/Application Support/Feral Interactive/XCOM Enemy Unknown/
Linux	$XDG_DATA_HOME/feral-interactive/XCOM/savedata/

Having too many savegames can cause slowdowns, which can be fixed by regularly purging savegames.

Savegames will start appearing in the wrong order once there are more than or around 100 savegames.

If savegames are not showing when starting the game in Linux after playing it in Windows, go to the savegames location in Linux and change the name of the folder SaveData to savedata.

Save game cloud syncing

System	Native	Notes
GOG Galaxy
Steam Cloud

Video settings

Display settings.

Video settings.

Input settings

Input settings.

Audio settings

Audio settings.

Localizations

Language	UI	Audio	Sub	Notes
English
Traditional Chinese
French
German
Italian
Japanese
Korean
Polish
Russian
Spanish

Network

Multiplayer types

Type	Native	Notes
Local play
LAN play
Online play

Connection types

Type	Native	Notes
Matchmaking
Peer-to-peer
Dedicated
Self-hosting
Direct IP

VR support

3D modes	State	GG3D	Notes
Nvidia 3D Vision			Use Helix Mod to improve 3D support.
TriDef 3D

Issues fixed

Save game slowdowns

Having a lot of savegames might cause the game to momentarily freeze while loading the "Save Game" screen.

Delete unnecessary save games
Save games can be found in save game data location.

Windows

Game appears to run in slow motion

Using Gigabyte's OC Guru overclocking tool can cause the game to appear to run in slow motion, then jump forward in time every few seconds.

Close the OC Guru overlay
In the taskbar, right click on the Gigabyte OC Guru and click Close. You may need to click show hidden icons to see the icon.

Other information

API

Technical specs	Supported	Notes
Direct3D	9
Shader Model support	3

Executable	32-bit	64-bit	Notes
Windows
macOS (OS X)
Linux

Middleware

	Middleware	Notes
Physics	PhysX	2.8.4.6
Interface	Scaleform
Cutscenes	Bink Video	1.99a
Multiplayer	Steamworks

System requirements

Windows

macOS (OS X)

Linux

Windows
	Minimum	Recommended
Operating system (OS)	Vista	7
Processor (CPU)	2.0 GHz Dual Core	AMD Athlon X2 2.7 GHz Intel Core 2 Duo 2.4 GHz
System memory (RAM)	2 GB	4 GB
Hard disk drive (HDD)	20 GB
Video card (GPU)	ATI Radeon HD 2600 XT Nvidia GeForce 8600 GT	ATI Radeon HD 3000 series Nvidia GeForce 9000 series

Windows XP is not supported, but the game can be made to run on it using this guide.

macOS (OS X)
	Minimum	Recommended
Operating system (OS)	10.8.5	10.9.1
Processor (CPU)	Intel Core 2 Duo 2.0 GHz	Intel Core 2 Duo 2.4 GHz
System memory (RAM)	4 GB	8 GB
Hard disk drive (HDD)	20 GB
Video card (GPU)	ATI Radeon HD 4000 Series Nvidia GeForce 9000 Series 256 MB of VRAM	1 GB of VRAM

The OS X version is not supported on these graphics cards: ATI Radeon X1xxx series, ATI Radeon HD2xxx series, Intel GMA series, Nvidia GeForce 7xxx series, Nvidia GeForce 8xxx series. The following cards require you to have 8 GB of system RAM: Nvidia GeForce 320M, Nvidia GeForce 9400 and Intel HD3000.

Linux
	Minimum	Recommended
Operating system (OS)	Ubuntu 14.04 64-bit
Processor (CPU)	2.0 GHz	3.0 GHz
System memory (RAM)	4 GB	8 GB
Hard disk drive (HDD)	16 GB
Video card (GPU)	AMD Radeon HD 6000 Series Nvidia GeForce GTX 600 Series Intel Iris Pro 512 MB of VRAM	AMD Radeon HD 6000 Series Nvidia GeForce GTX 700 Series 1 GB of VRAM

Only available in 64-bit.