The Sum of All Fears — Steam capsule
Steam capsule · 460×2152.14 : 1

The Sum of All Fears Free Download

by Ubisoft

Windows · Oct 9, 2008

Download Now Data checked on Steam: Oct 20, 2026
Fit check

Is The Sum of All Fears worth it for you?

We tell you who should skip it, too.

Play it if you…

Good fit
  • Action-game players who want to command a counter-terrorism squad rather than play only as a lone fighter.
  • Players interested in mission-based operations with objectives such as surveillance, weapons-cache destruction, and hostage rescue.
  • Groups looking for competitive or cooperative multiplayer modes in a tactical action game.

Skip it if you…

Saves you a refund
  • Players seeking an open-ended structure may find the experience centered on 11 defined missions.
  • Players looking for a story separate from existing media may not want a plot tied to a novel and film of the same name.
  • Players seeking a primarily non-combat experience may not want missions centered on armed counter-terrorism operations.

Drafted from Steam store data with AI and reviewed by an editor · How we write fit checks · Report an error

Our take on The Sum of All Fears

The defining structure is a commander-led squad campaign: orders are given in the field while the player leads the unit into combat across 11 missions.

What is The Sum of All Fears?

Take command of a counter-terrorism team drawn from the FBI's Hostage Rescue Team and lead it through 11 missions set in locations around the world.

Objectives include fighting terrorists, placing listening devices, destroying illegal weapons caches, and rescuing hostages. Give orders to squad members in the field and lead them into combat. The game has a storyline connected to the novel and film of the same name, several difficulty settings, and a training level. Its arsenal includes 15 gun types, flashbangs, and fragmentation grenades. Multiplayer supports both competitive and cooperative play, with game types for solo and team play.

How The Sum of All Fears plays

01Squad Command
Issue orders to the unit during missions and lead its members in combat.
02Mission Variety
Objectives range from planting listening devices to clearing weapons caches and rescuing hostages.
03Competitive and Cooperative Play
Multiplayer includes modes for both individual and team play.
04Adjustable Difficulty
Several difficulty settings are available alongside a training level.

Games like The Sum of All Fears

Action

Act of War: High Treason

THQ NordicWin · 2008For:RTS players who want modern military conflicts and near-future weaponsSkip if:Players who prefer a narrow military roster rather than a game adding more than 50 ships, tanks, aircraft, soldiers, and upgrades
Action

Vietnam War

Thorium Game LabWin · 2025For:FPS players who prefer open-ended operations over a story campaignSkip if:Players looking for a guided story or a sequence of main missions may find the structure too open-ended.
Action

Conflict Desert Storm™

Square EnixWin · 2012For:Players who want command of a small military squad rather than a solo combat roleSkip if:Players seeking an open-ended campaign beyond a fixed set of 15 missions
Action

Act of War: Direct Action

THQ NordicWin · 2008For:Real-time strategy players interested in modern military conflictSkip if:Players seeking turn-based strategy rather than real-time command

Picked by overlapping fit notes and genres, not an editorial comparison.

The Sum of All Fears: platforms & release

Is The Sum of All Fears worth it?

It is worth it if: action-game players who want to command a counter-terrorism squad rather than play only as a lone fighter. Skip it if: players seeking an open-ended structure may find the experience centered on 11 defined missions.

Where can I download The Sum of All Fears?

Use the Download Now button on this page: it opens The Sum of All Fears's store page, where you can choose how to get it.

What platforms is The Sum of All Fears on?

Windows only.

Keep looking

More from Ubisoft

All games →

OddBallers

Win · 2024

More action

10,957 games →
The Sum of All FearsWindowsDownload Now
The Sum of All FearsWindows
Download Now