This article is for all gamers out there, or for the people who have some spare time in the weekend. Check it out!

A couple of days ago I posted about The Crysis open Beta event. All keys are given away, only subscriber keys remain at this moment. But don't worry: If you're one of those people that don't have a key to play Crysis, I suggest you could play one of the following demos. A friend of me tipped me about these games (thanks!) as they are just released in the past couple of days.

I'm talking about the following games: Call of Duty 4: Modern Warfare, F.E.A.R. Perseus Mandate and my personal favorite; Unreal Tournament III.

All of these games are First Person Shooters. If you like that genre, make sure you check out this list of free FPS games.

Call of Duty 4: Modern Warfare

War rages on in the fourth edition of Activision's acclaimed war game. For the first time in the series, Call of Duty moves away from WWII to the modern battlefield. Armed with an arsenal of advanced and powerful modern day firepower, players are transported to treacherous hotspots around the globe to take on a rogue enemy group threatening the world. As both a U.S Marine and British S.A.S. soldier fighting through an unfolding story full of twists and turns, players use sophisticated technology, superior firepower and coordinated land and air strikes on a battlefield where speed, accuracy and communication are essential to victory. The epic title also delivers an added depth of multiplayer action providing online fans an all-new community of persistence, addictive and customizable gameplay.

View the Perk COD4 trailer here (155 MB) or the E3 COD4 trailer here (110 MB). For different file types, video's and resolutions, go to the media page of COD4 (Registration required).

Minimum System Requirements

1. CPU: Intel® Pentium® 4 2.4 GHz or AMD® Athlon™ 64 2800+ processor or any 1.8Ghz Dual Core Processor or better supported
2. RAM: 512MB RAM;768MB for Windows Vista
3. Harddrive: 8GB of free hard drive space
4. Video card: NVIDIA® Geforce™ 6600 or better or ATI® Radeon® 9800Pro or better

1. CPU: 2.4 GHz dual core or better is recommended
2. RAM: 1G for XP; 2G for Vista is recommended
3. Harddrive: 8GB of free hard drive space
4. Video card: 3.0 Shader Support recommended. Nvidia Geforce 7800 or better or ATI Radeon X1800 or better

Official website: http://www.charlieoscardelta.com.

Click here to download the Call of Duty 4: Modern Warfare Demo from FileShack (CoD4MWDemoSetup.exe, 1.4GB).

Mirror downloads:

1. Internode Games Network
2. GamersHell
3. FileFront
4. Torrent at GameUpdates

View screenshots, videos and read more about Call of Duty 4: Modern Warfare on IGN.

F.E.A.R. Perseus Mandate

F.E.A.R. Perseus Mandate, the second expansion pack for Windows PC, offers both seasoned gamers and those who have never played the original F.E.A.R. (First Encounter Assault Recon) the ability to jump-in and experience the fright with a brand new team in an all-new experience that presents a different perspective of the events that occur at Armacham. The campaign reveals a parallel story allowing players to take the role of a different F.E.A.R. soldier and battle new enemies that the original team never saw coming.

Minimum System Requirements

1. Windows® XP, x64 or 2000 with latest service pack installed or Windows Vista™
2. DirectX® 9.0c (December 2006 Edition � included) or higher
3. Pentium® 4, 1.7 GHz or equivalent processor (2.2 GHz for Windows Vista™)
4. 512 MB of RAM or more (1 GB for Windows Vista™)
5. 64 MB GeForce® 4 Ti or Radeon® 9000 video card (GeForce® 6600 or Radeon® 9800 video card or equivalent for Windows Vista™)
6. 1.5 GB free Hard Drive Space for installation
7. Additional hard drive space needed for a swap file and saved game files
8. 16-bit DirectX® 9.0-compliant sound card with support for EAX™ 2.0
9. Mouse
10. Keyboard

1. Pentium® 4, 3.0 GHz or equivalent processor (3.2 GHz for Windows Vista™)
2. 1 GB RAM (2 GB for Windows Vista™)
3. GeForce® FX 6600 or equivalent supported DirectX® 9.0-compliant video card with Hardware T&L and Pixel Shader 2.0 support (GeForce® FX 6800 or equivalent for Windows Vista™)
4. Sound Blaster® X-Fi™ series sound card

Official website: http://www.whatisfear.com.

Click here to download the F.E.A.R. Perseus Mandate Demo from Sierra (fearxp2_spdemo_en.exe, 734 MB).

Mirror downloads:

1. FileFront
2. FileShack
3. GamersHell

View screenshots, videos and read more about F.E.A.R. Perseus Mandate on IGN.

Unreal Tournament III

The Necris invasion has begun, and your clan was one of the first to be slaughtered. Head to the front lines and join this Epic battle to defend humanity while taking your revenge. Unreal Tournament 3 marks the return of the premiere tournament-style first-person shooter. Unreal Tournament 3 unleashes the full power of Unreal Engine 3, taking graphics, gameplay, and challenge to a whole new level. Players engage in intense and hyper-real battles with other human players online or against incredibly realistic Unreal artificial intelligence. Over two dozen weapons and vehicles have been upgraded and enhanced for maximum killing potential. Take on all comers in a variety of game modes including Deathmatch, Team Deathmatch, Capture the Flag, an all-new Warfare mode and more.

View the E3 UT3 trailer here (64.6 MB) or the Gamers Day UT3 Trailer (52.3 MB). The official 4.6 MB screenshot pack (28 screenshots) can be downloaded here.

Minimum System Requirements

1. Windows XP SP2 or Windows Vista
2. 2.0+ GHZ Single Core Processor
3. 512 Mbytes of System RAM
4. NVIDIA 6200+ or ATI Radeon 9600+ Video Card
5. 8 GB of Free Hard Drive Space

1. 2.4+ GHZ Dual Core Processor
2. 1 GBytes of System RAM
3. NVIDIA 7800GTX+ or ATI x1300+ Video Card
4. 8 GB of Free Hard Drive Space

Official website: http://www.unrealtournament3.com.

The Unreal Tournament III demo isn't download-able yet, but Mark Rein updated in a post on the official UT3 forum that the demo will be coming today. When it is, I'll put it on this page. I'll keep you updated.

**EDIT** The demo is available. Click here to download Unreal Tournament III Demo from FileShack (UT3BetaDemo.exe, 741 MB).

Mirror downloads:

1. 3dGamers
2. FilePlanet
3. GamersHell

View screenshots, videos and read more about Unreal Tournament III on IGN.

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By [http://www.marcofolio.net/]