Worms Forts: Under Siege


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Worms	1995
Worms 2	1997
Worms Pinball	1998
Worms Armageddon	1999
Worms World Party	2001
Worms Blast	2002
Worms 3D	2003
Worms Forts: Under Siege	2004
Worms 4: Mayhem	2005
Worms Reloaded	2010
Worms Crazy Golf	2011
Worms Ultimate Mayhem	2011
Worms Revolution	2012
Worms Clan Wars	2013
Worms 3	2014
Worms World Party Remastered	2015
Worms W.M.D	2016
Worms Rumble	2020

Warnings

GameSpy online services have been shut down (see Network for solutions).

Worms Forts: Under Siege is a singleplayer and multiplayer third-person artillery and strategy game in the Worms series.

General information

Unofficial Worms Wiki

Dream17 Softography

GOG.com Community Discussions for game series

GOG.com Support Page

Availability

Source	DRM	Notes	Keys	OS
Retail		Uses SafeDisc DRM^{[Note 1]}.
GOG.com

SafeDisc DRM does not work on Windows Vista and later (see above for affected releases).

Essential improvements

Worms Forts Anniversary Patch

This patch contains:

AspectRatioFix - applies aspect ratio patches (Hor+/Vert+)
Borderless - changes windowed borderless mode
Host - changes GameSpy server address (openspy.net by default)

Skip intro videos

Can be toggled in the GOG.com release.

Use the `/NOMOVIES` command line argument^[3]

Game data

Configuration file(s) location

System	Location
Windows	%APPDATA%\GOG\WormsForts\config.ini %PROGRAMDATA%\GOG.com\Galaxy\support\1207659170\1207659170\userappdata^{[Note 2]}

Save game data location

System	Location
Windows	<path-to-game>\data\SaveGame.xom^{[Note 2]}

Save game cloud syncing

System	Native	Notes
GOG Galaxy

Video

External options menu (GOG.com release only).

Graphics feature	WSGF	Notes
Widescreen resolution		Use Worms Forts Launcher (set Aspect: On).
Multi-monitor		Use Worms Forts Launcher (set Aspect: On).
Ultra-widescreen		Use Worms Forts Launcher (set Aspect: On).
4K Ultra HD		Use Worms Forts Launcher (set Aspect: On).
Field of view (FOV)
Windowed	Can be toggled in the GOG.com release. See Windowed for the retail release.
Borderless fullscreen windowed	Can be toggled in the GOG.com release.
Anisotropic filtering (AF)
Anti-aliasing (AA)	Can be forced in graphics drivers. For example AMD 8xEQ.
Vertical sync (Vsync)	Can be toggled in the GOG.com release (on by default).
60 FPS and 120+ FPS
High dynamic range display (HDR)	See the glossary page for potential alternatives.
Ray tracing (RT)
Color blind mode	See the glossary page for potential workarounds.

Windowed

Use the `/WIN` command line argument^{[citation needed]}

Input

In-game control settings.

In-game key/button map settings.

Keyboard and mouse	State	Notes
Remapping
Mouse sensitivity
Mouse acceleration
Mouse input in menus
Keyboard and mouse prompts
Mouse Y-axis inversion
Controller
Controller support
Full controller support		Cannot enter the pause menu with a gamepad.
Controller remapping
Controller sensitivity
Controller Y-axis inversion

Controller types

XInput-compatible controllers

DirectInput-compatible controllers

PlayStation controllers

Nintendo controllers

Other controller(s)
Additional button prompts

Additional information
Controller hotplugging
Input prompt override
Haptic feedback
Simultaneous controller+KB/M

Audio

In-game audio settings.

In-game language settings.

Audio feature	State	Notes
Separate volume controls
Surround sound		Supports Dolby Digital.^[4]
Subtitles		Short of worm responses, there is no speech.
Closed captions
Mute on focus lost
Royalty free audio

Disable music

Use the `/NOMUSIC` command line argument^{[citation needed]}

Disable speech

Use the `/SHUTUP` command line argument^{[citation needed]}

Localizations

Language	UI	Audio	Sub	Notes
English
Czech				Retail only.
French
German
Hungarian				Retail only.
Hungarian				Fan translation; download.
Italian
Polish				Retail only.
Russian				Retail only/
Spanish

Network

Multiplayer types

Type	Players	Notes
Local play	16	Hot seat, Versus
LAN play	4	Versus
Online play	4	GameSpy was shut down. Use Anniversary Patch.
Asynchronous multiplayer

Connection types

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

Other information

API

Technical specs	Supported	Notes
Direct3D	9.0c
OpenGL	1.4

Executable	32-bit	64-bit	Notes
Windows

Middleware

	Middleware	Notes
Multiplayer	GameSpy

System requirements

Windows
	Minimum	Recommended
Operating system (OS)	98	ME, 2000, XP
Processor (CPU)	Intel Pentium III 1.0 GHz AMD Athlon 1.0 GHz	Intel Pentium 4 1.5 GHz AMD Athlon 1.5 GHz
System memory (RAM)	256 MB	512 MB
Storage drive (HDD/SSD)	800 MB
Video card (GPU)	64 MB of VRAM OpenGL 1.4 compatible DirectX 9.0c compatible	128 MB of VRAM

Supported ATI chipsets: 8500, 9000, 9200, 9500, 9600, 9700, 9800, X300, X600, X800.

Supported Nvidia chipsets: GeForce2 Series, GeForce3/Ti Series, GeForce4 MX Series, GeForce4/Ti Series, GeForce FX Series, GeForce 6 Series.

Supported Martrox chipsets: Parhelia.

Notes

↑ This version of SafeDisc DRM does not work on Windows 10^[1] or Windows 11 and is disabled by default on Windows Vista, Windows 7, Windows 8, and Windows 8.1 when the KB3086255 update is installed.^[2]
↑ ^2.0 ^2.1 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

↑ Not Loading in Windows 10; this will break thousands of - Microsoft Community - last accessed on 2017-01-16
↑ Microsoft - MS15-097: Description of the security update for the graphics component in Windows: September 8, 2015 - last accessed on 2018-02-16
↑ Verified by User:SargeCassidy on 2021-12-02
↑ MobyGames - Back Cover for Worms Forts: Under Siege (Windows) - last accessed on 2025-05-24

[3] This version of SafeDisc DRM does not work on Windows 10^[1] or Windows 11 and is disabled by default on Windows Vista, Windows 7, Windows 8, and Windows 8.1 when the KB3086255 update is installed.^[2]

[gamedir-5] 2.0 ^2.1 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).

[1] Not Loading in Windows 10; this will break thousands of - Microsoft Community - last accessed on 2017-01-16

[2] Microsoft - MS15-097: Description of the security update for the graphics component in Windows: September 8, 2015 - last accessed on 2018-02-16

[4] Verified by User:SargeCassidy on 2021-12-02

[6] MobyGames - Back Cover for Worms Forts: Under Siege (Windows) - last accessed on 2025-05-24

[Note 1]

[3]

[Note 2]

[4]

[1]

[2]

Developers

	Team17
Publishers
Retail	Sega
Retail re-release	Sold Out Software
Digital	Team17
Release dates
Windows	November 19, 2004
Reception
Metacritic	60
Taxonomy
Monetization	One-time game purchase
Modes	Singleplayer, Multiplayer
Pacing	Turn-based
Perspectives	Third-person
Controls	Direct control
Genres	Artillery, Strategy
Themes	Classical, Europe, Egypt, Japan, Fantasy
Series	Worms