SS3: Arms For Victory is the 3rd installment in the RTS franchise, adding interface innovations, huge troop numbers and enormous map designs demonstrating that size does matter. The free Ardennes Offensive add-on features two multiplayer maps, a new campaign (2 missions) and one additional standalone mission.

Battlefield Heroes is an all-new Play 4 Free cartoon-style shooter that will bring classic Battlefield gameplay to an all new mass audience, featuring a built-in matchmaking system to ensure that players of equal skill are paired together for fair play. Earlier this month the beta test was delayed, but you can now sign up after all.

Penny Arcade Expo is a three-day celebration of games and gamer culture. The festival includes an exhibition floor filled with playable builds of upcoming tabletop, console, and computer games; a conference program of game-industry speakers on gaming topics; music concerts; freeplay areas; industry parties; game tournaments and more.

Making History: The Calm & the Storm puts players in control of global conflict, combining a highly sophisticated AI with rich historical detail. Strategy First has released a new patch, bringing your retail game to v2.0.4, and improves performance, editor, game balancing, adds AI and UI changes and a few other things ...

Set on the battlefields of World War III, Tom Clancy's EndWar is a next-gen console exclusive war strategy game that will push the envelope of technology, showcasing AI, graphics, physics and animations that were not possible before.

In the bold and often-bloody Dead Space, developed by EA's Redwood Shores Studio, gamers will step into a third-person sci-fi survival horror experience that promises to deliver the ultimate in psychological thrills and gruesome action.

Mass Effect invites players to take the role of Commander Shepard as they set out on an adventure to save the galaxy from imminent destruction. Wrought with treachery, heroism, difficult decisions and a universe filled with unique and colorful species, Mass Effect delivers a truly compelling storyline.

FIFA Manager 09 gives you full control over the management of a football club. You are responsible for the line-up, the tactics and the training of your team – as well as for signing the right players, improving the club facilities and the stadium.

Castle Crashers is a four-player game for the Xbox Live Arcade, where players are knights on a quest to regain a stolen idol. Originally scheduled for release last year, when Microsoft decided to increase the Xbox Live Arcade allowed file size, The Behemoth decided to delay the game in order to add even more content. Castle Crashers has been sent to Microsoft for certification, but no specific release date has been set yet.

Check out the following new screens and trailers from Sony Computer Entertainment America's (SCEA) Gamers Day 2008 lineup:

• 'LittleBigPlanet' (PS3) - 12 New Screens
• 'Siren: Blood Curse' (PS3) - 19 New Screens & Trailer
• PixelJunk Eden (PS3) Announced - Facts, Features, Screens & Trailer
• 'Killzone 2' (PS3) - 2 New Screens
• 'Hot Shots Golf: Open Tee 2' (PSP) - 10 New Screens
• Buzz!: Quiz TV' (PS3) - 7 New Screens
• 'SOCOM: U.S. Navy SEALs Confrontation' (PS3) - 20 New Screens
• 'Buzz! Master Quiz' (PSP) - 13 New Screens
• 'Resistance 2' (PS3) - Facts, Features & Screens