The year is 2008. Citywide blackouts ... stock exchange sabotage ... electronic hijacking of national defense systems ... this is information warfare. To prevent these attacks, operatives must infiltrate deep into hostile territory and aggressively collect critical intelligence, closer than ever to enemy soldiers.
User reviews:
Very Positive (19 reviews) - 100% of the 19 user reviews in the last 30 days are positive.
Very Positive (1,245 reviews) - 93% of the 1,245 user reviews for this game are positive.
Release Date: Mar 29, 2005

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Buy Tom Clancy's Splinter Cell Chaos Theory®

Packages that include this game

Buy Tom Clancy's Splinter Cell Elite Echelon Edition

Includes 4 items: Tom Clancy's Splinter Cell Chaos Theory®, Tom Clancy's Splinter Cell Conviction™ Deluxe Edition, Tom Clancy's Splinter Cell Double Agent®, Tom Clancy's Splinter Cell®


About This Game

The year is 2008.
Citywide blackouts ... stock exchange sabotage ... electronic hijacking of national defense systems ... this is information warfare.
To prevent these attacks, operatives must infiltrate deep into hostile territory and aggressively collect critical intelligence, closer than ever to enemy soldiers.
You are Sam Fisher, the NSA's most elite black-ops agent. To achieve your mission you will kill from close range, attack with your combat knife, shoot with the prototype Land Warrior rifle, and use radical suppression techniques such as the inverted neck break. Also take on cooperative multiplayer infiltration missions, where teamwork is the ultimate weapon.
As the enemy evolves, so must you.
  • Deadly agility - Incredibly complete and fluid variety of moves including athletic moves, stealth moves, stealth kills.
  • Real weapons of tomorrow - The most complete arsenal of weapons and gadgets, from the knife to the experimental Land Warrior System.
  • As good as real - Never-before-seen graphics technology offers the best visuals on any system yet. Advanced physics engine allowing rag doll physics, particle effects, and perfect interaction with the environment.
  • Ultimate challenge - Intelligent AI with personal attributes, natural behavior where NPCs are aware of thier environments and remember past events.
  • Amazing replayability - Totally open level design with multipaths and optional secondary objectives.
  • Co-op stealth - Play multiplayer with friends and coordinate your infiltration in an all-new multiplayer challenge.

Please note that as of August 2016, the online features for this game are no longer supported. The Multiplayer mode / Co-op mode will no longer be accessible.

System Requirements

    • Supported OS: Microsoft Windows® 2000/XP
    • Processor: Intel Pentium III or AMD Athlon, 1.4 GHz (Pentium IV or Athlon 2.2 GHz recommended)
    • System Memory: 256 MB of RAM or above (512 MB recommended)
    • Video Card: 64 MB DirectX 9.0c compliant graphics card (128 MB recommended)
    • Sound Card: DirectX 9.0c compliant sound card (EAX 2.0 or higher recommended)
    • DirectX Version: DirectX® version 9.0c or higher
    • Hard Disk: 4 GB available hard disk space
    • Supported Peripherals: Windows compatible mouse and keyboard, joystick for Solo and Co-op modes
    • Multiplay: Broadband with 64 Kbps data transfer upload rate (128 kbps recommended)
    • Note: For the most up-to-date minimum requirement listings, please visit the FAQ for this game on our support website at:
Customer reviews
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Very Positive (19 reviews)
Very Positive (1,245 reviews)
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Most Helpful Reviews  In the past 30 days
3 of 3 people (100%) found this review helpful
18.2 hrs on record
Posted: September 28
OH MY GOD i cant believe i thought conviction was the best game in the Splinter Cell series!

Tom Clancy's Splinter Cell Chaos Theory is one of my favorite game that ive played on steam and as of right now its one of the best Splinter cell games i have EVER played!

This game is worth more the just 9$ if this game was 60$ i would still recommend it!

Its just that good!
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2 of 2 people (100%) found this review helpful
37.1 hrs on record
Posted: October 19
Spy game from 2005.

+Looks fantastic for its time
+Spy equipment
+Tense sneaking and satisfaction for tricking the guards succesfully
+Some great levels (gargo ship and bank robbery are my favorites)
+Fun mini games like hacking and lockpicking
+Less linear than the previous game (it's still very linear game)
+Voice acting (good guys (espesially Sam Fisher))
-Voice acting (bad guys)
±AI is pretty clunky: sometimes it's utterly passive and stupid, sometimes it spots you from a mile away or just keeps camping the same area. Most of the it gets its job done.
-Annoying music
-Some bad missions (the first no casualties-mission was pretty awful)
-Some dumbed down stuff: when the NPCs are searching for you, they walk the slowest pace possible as if they were scared (in PT they were a lot faster so you didn't want to draw any attention), pistol is dumbed down so shooting light bulbs takes now more luck than skill, no more door roll, also hiding in shadows is now easier than before imo.
-Not as interesting missions as the train level from PT.
-Story is not worth following
-Don't play this game if you get headache easily, the nightvision goggles will ♥♥♥♥ your eyes.

In conclusion it's a very enjoyable stealth game which makes you feel like a ninja as you master the mechanics and equipment. I'd suggest you to play with the hardest mode if you have any experience from the previous games, and also because the AI glitches less that way imo. I couldn't review the multiplayer mode because it's basically dead.
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2 of 2 people (100%) found this review helpful
20.8 hrs on record
Posted: October 25
Tom Clancy's: Splinter Cell: Chaos Theory: Featuring Tom Clancy is pretty cool, I guess.

You play as Sam Fisher, the world's sneakiest dad. Sam works for an organization called Third Echelon, who's entire purpose is to spook the enemies of America and take their things. Over the course of a few missions, Sam discovers a conspiracy to do bad things to somebody or something and has to use all of his sneaky tricks to stop it.

To be fair, I really like this game. Like, REALLY like this game. If I were to have to give a gold star to any game, it would probably be this one. Hurray, you did it! Mr. Clancy!

Oh no, Mr. Clancy is dead!

Bom Stancy's Stink Cell is one of those stealth games that actually focuses on stealth. Although you can go in loud and make a big scene, you are treated like a stinky idiot and penalized for it. In old games, if you got caught three times, the mission would end. The alarms are still there, but the missions don't end anymore, instead the enemies just get progressively more resistant to your presence. One alarm goes off and they know something is wrong, two alarms go off and they know something is definitely wrong and start packing heat, and on the third alarm they actually come looking for you.
It's a pleasant difficulty spike that actually punishes you and spanks your bottom for playing like a Sally.

Luckily, the stealth part of the game is the best part. You have two meters, the spook meter, and the loud noises meter. Stealth is based on line of sight and darkness, the darker it is, the harder you are to see, the spook meter actually shows how concealed you are in the dark, with the darkest meaning you can basically brush a guards beard sensually and whisper sweet nothings into his ear and he won't notice you, while if the meter is all the way to the light side you may as well be buying travel insurance and live in palm beach.

Sound is also a big thing that can either aid or hinder your success. There is a cap that moves depending on how noisy your environments are. Like a thunderstorm or a loud engine can conceal the noise you make while a room with someone sleeping or a hollow cave will make you easier to hear.

Your adversaries are usually guards, which is expected. The guards react to sound and when they think they saw something, but usually just bumble around until they realize something is amiss. What is pleasantly surprising is how the guards actually interact with one another. Outside of scripted conversations, they also coordinate with one another when they're looking around for something strange. While they're working together they usually have some kind of worried conversation about hoping not to find anything as well as mumbling to themselves if there's nobody looking with them.
It really gives life to the guards in a genre that is usually void of any kind of personality for your opponents.

You have a few ways of dispatching your foes. Outside of 007 style gadgets like the sticky camera and
the shock shooty, you can also choose to either knock them out, whack em, or just bypass them all together. There really isn't a better feeling than getting into a area and out without anyone even knowing you were there to begin with.

I am not going to continue to gush about this game.

Back in the day, there was a big scene for Chaos Theory's multiplayer, and rightly so. There were two multiplayer modes, one where you yelled at your friend for alerting the guards in co-op mode. And one where you yelled at other people because they somehow saw you while you were across the hall in the dark behind a box in the competitive mode.

Co-op mode was actually it's own game, where you and a friend took control of two freshly trained Splinter Cells as they went on missions that sometimes went on at the same time as Sam's outings. Each mission was built with team work in mind since the two agents had a set of moves they could perform like boosting each other on to high ledges, roping your partner down a deep pit, disrupting cameras with your microwave emitter while the other sneaks through the dark, and thinking about monster trucks and manly things while you climb your partner like a ladder and sensually rub against him.

While Co-op was really cool, competitive was a beast all on it's own. The game was a two on two affair where a duo of spies part of an organization known as SHADOWNET infiltrated into facilities protected by a mercenary group known as ARGUS.

When you play as Shadownet you play like a usual Splinter Cell with some extra moves and gadgets added in. But when you play as ARGUS, you play from a first person perspective and mostly rely on brute force and fire power. ARGUS patrols the map and guards the objectives while Shadownet has to sneak past them and steal the goodies without being spotted.

Competitive is tense, like, poop in pants tense. You have very little offensive options as Shadownet and are forced to either run or get filled with new breathing holes when you get caught while ARGUS has no idea if a Shadownet agent is near unless he has his flashlight pointed directly at him, or his noise detector goes off.

It's hide and seek but with more fire power. Both sides have enough options and gadgets to dispatch one another, like how Shadownet can break the necks of the ARGUS mercenaries they can sneak up on and how ARGUS can set up tripwires and mines to catch Shadownet spies off guard.

It's an amazing mode and sadly has whittled over the years due to just how old the game is.

But should you play Tem Sensy's Sneaky Guy: Math stuff?

Its still one of my favorite games ever. Even though the multiplayer glory days are over, the single player is still top notch stuff. You can get your money's worth on single player alone, but if you can get a few friends together to spook one another, I would recommend that as well.

I don't actually have a gold sticker, so I'm just going to thumb up the Xbox copy I have.

Good on you, Xbox version of the game I reviewed.

The curator:
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1 of 1 people (100%) found this review helpful
0.8 hrs on record
Posted: October 6
A few years ago I was going through an old footlocker and realized I had the box to this game (disc lost long ago) and plunked the key into Steam.

I was a PC gamer when Metal Gear was entering the 3D polygon era and while I did enjoy the VR Missions entry, I never had much interest in that series because while I owned the consoles for every generation, there were very few games I absolutely had to have.

The original Splinter Cell came out and I was amazed with how the stealth elements translated so well from games like Tenchu to the world of guns and electronic gadgets. Pandora Tomorrow followed it up sort of well, but not many people loved it (including myself). Chaos Theory is what I consider to be the final entry in the series- it took everything that made the first two games great and gave it a gorgeous graphics and mechanics update, and took the story in a direction that was compelling and interesting. Every level has hundreds of different ways to play out, and you have 100% control over most of how that's decided.

They lost me after this game, and it's sad. I tried every game in the series after Chaos Theory but nobody really understands that it might be OK to stick with what works anymore. A followup to any of the first 3 Splinter Cell games, even HD remasters, would be freakin amazing but sadly, I seriously doubt they'd be handled with care.

Chaos Theory is probably the only game that I'd compare to the same enjoyment I got out of the first Tenchu. It's a shame nobody picked up the core mechanics of this game with more than a haphazard spin of the wheel.
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1 of 1 people (100%) found this review helpful
8.6 hrs on record
Posted: October 16
Literally i got so involved in this game,probably the best Splinter Cell.You get to be a real spy and all the espionage activties in this game are just amazing.You rarely see a spy telling jokes or flirtin with his colleague while he's on an intensive mission do you?Best game setting,best gameplay,i recommend this game for sure.
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1 of 1 people (100%) found this review helpful
33.0 hrs on record
Posted: October 19
Some of the most fun I've ever had in the original Splinter Cell Series. Though the graphics may not be as flashy as the new one that is Blacklist, it certainly is much more fun and more challenging. Also I missed the interogations you could have with the guards you grab and having the weirdest responses from them. And that's only the single player part. Co-op is great if you have a friend to play along with. Overall a real fun stealth game, one of the best...if not the best in the entire series.
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Most Helpful Reviews  Overall
157 of 163 people (96%) found this review helpful
3 people found this review funny
11.5 hrs on record
Posted: June 18, 2015
First off, this is my favorite game of all time. I've had it for a long time in physical format, but due to it's drm it's unplayable on modern systems, so I bought the steam version. I was a bit afraid of how it would run based on some of the reviews that have reported problems, so I was ready to issue a steam refund just in case.

So here's the score: this game is flawless. I've seen some negative reviews and let me address some of them. First of all, all those who say it's unplayable with keyboard and mouse are idiots, no two ways about it. You control your speed via the mouse wheel. It's that simple. Besides, you can customize the controls to your heart's content. Second off, no, it doesn't have checkpoints. And you know why? Because it doesn't need them! It has a quicksave function! I swear, some people...

How about the game itself? It's the best stealth game of all time. Period. You have full feedback of how much noise you make and how much noise is in the environment, how visible you are, you get a lot of tools for dispatching or distracting your enemies, you have nightvision, thermal vision and even "electric" vision that let's you see objects that use electricity (useful when completing some of the objectives). It has a fairly intelligent AI. The game is a bit too easy if you just kill everyone in my opinion but it's damn fun. If you like the suspense of stealth, look no further.

The graphics still hold up to this day in my opinion. Some of the round objects are a bit angular, but it doesn't take me out of the experience, and the textures still look great. There's also a surprising ammount of color that, compared to a lot of modern games, are a breath of fresh air. The sound design is superb and the soundtrack just ups the suspense. The music is low key and dynamic, changing to the gameplay.

Some of the writing is a bit too convoluted for me. Don't get me wrong, it's good, but it's hard to follow, especially for the first time playing. You really have to invest your brain into the story or you'll get lost in it.

All in all, if you even remotely like stealth games don't you dare miss out on this one.
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121 of 133 people (91%) found this review helpful
4.4 hrs on record
Posted: November 27, 2013
Great game, often considered the highlight of the Splinter Cell series. Chaos Theory has 3 complete modes in single-player, co-op, and versus, at the time of its release very unique. In particular, the Spies vs. Mercs multi-player was an insanely fun and revolutionary experience, that for some strange reason Ubisoft has never replicated in later titles. Unfortunately, the co-op and versus modes are dead online, so the only real content purchasing it now is in single-player.

If you buy the game now, you're buying it only for the single-player experience. Still worthwhile in my opinion, but if you're looking for some multiplayer action, you're better off looking at the newest title (Blacklist at the time of writing).
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116 of 129 people (90%) found this review helpful
100 people found this review funny
4.9 hrs on record
Posted: October 17, 2015
10/10 No Uplay required.
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105 of 115 people (91%) found this review helpful
187 people found this review funny
10.8 hrs on record
Posted: December 10, 2015
Sam Fisher: Bad news.
Guard: I knew there were ninjas around here!
Sam Fisher: What?
Guard: Yeah, you've gotta be a ninja. How else could you sneak up and grab me like that?
Sam Fisher: Listen, I don't know what...
Guard: Wow! A real, live, ninja! I can't believe it!
Sam Fisher: Listen, I'm going to kill you if...
Guard: Wow Killed by a ninja... cool!

LOVE THIS GAME, old times.
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Recently Posted
23.3 hrs
Posted: October 18
Great game play and smooth playing! Got a little lost trying to find the next step in missions. I thought it was not as good as the first Splinter Cell, as it lacked intense thrilling graphics. The entire game was based on being sneaky and finding a way around the usual path, which didn't make it too exciting.
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4.0 hrs
Posted: October 17
It is a great game but desprately needs STEAM CONTROLLER support or XBOX 360 Peripheral .
I couldnt mouse+keyboard to save my life
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Digital Twin
8.9 hrs
Posted: October 9
love it
Helpful? Yes No Funny
20.2 hrs
Posted: October 5
15-20 hours of stealth-FUN ;D

-be stealthy (shadows are your friends!)
-hacking doors and computers
-sneak /kidnap / interrogate
-tough alarm systems

-Objectives not always 100% clear
-crappy Map (your own position is not shown, just the area)
-the AI and it´s aimbot are sometimes unfair (eg: shooting through corners)

--> get it if you like the series, but compared to Hitman-series it´s lacking in depth!
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34.3 hrs
Posted: October 2
I knocked a guard out and he yelled, "CROTCH KICK!!!!"

Crotch kick/10
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