Well I found out how to get ANY game to work online that uses Games For Windows Live(GFWL).
You will need:
*A cracked game that uses Games For Windows LIVE
*A bought game with a CD KEY that also uses Games For Windows LIVE
*Games For Windows LIVE 3.0 Installed.
How to do it:
*Now that you have bought a game with support of Games For Windows Live, install and make a GFWL account and register your KEY and play online. (You don't have to play i , but just to be safe)
*Next install the game that you downloaded, and install any cracks provided or whatever, and RUN it. Then Press the [HOME] key to bring up The GFWL Menu, and click Connect To LIVE.
*Then it will ask you to enter a CD KEY. Don't worry, use the SAME key that you got with the game you bought. It should then login and you will be able to play online, as well as gain achievements.
*So basically, just buy a cheap game for GFWL, and use the key for all of them..
Note: Stay away from DiRT 2. It doesn't work! All the others do.
I just installed Flatout Ultimate Carnage, but sadly no one plays it online...
Enjoy your FREE games!
List of Games..
Halo 2 (shooter)
Juiced 2: Hot Import Nights (racing)
Gears of War (shooter)
Kane & Lynch: Dead Men (action)
Universe at War: Earth Assault (strategy)
Hour of Victory (shooter)
Viva Piņata (simulation)
The Club (3rd shooter)
FlatOut: Ultimate Carnage (racing)
Lost Planet: Extreme Condition Colonies Edition (shooter)
Quantum of Solace: The Video Game (action)
Fallout 3 (rpg)
Grand Theft Auto IV (mission-based action)
Legend of Galactic Heroes
Warhammer 40,000: Dawn of War II (strategy)
Battlestations: Pacific (strategy)
Fallout 3: Point Lookout (rpg)
Street Fighter 4 (fighting)
Red Faction: Guerrilla (shooter)
Batman: Arkham Asylum (adventure)
Resident Evil 5 (adventure)
Star Wars The Clone Wars: Republic Heroes (action)
Colin McRae: Dirt 2 (rally)
Rogue Warrior: Black Razor (shooter)