Unlockables:
Beta Tester Medal – Complete one match in the beta to unlock the Beta Tester medal, which will carry over to your gamer profile in the final game. The Beta Tester title will be featured in the “Gears 3” multiplayer lobby as well
Thrashball Cole – Complete 50 matches in any game type to unlock the Thrashball Cole character variant in the beta. Once unlocked, complete 10 matches as Thrashball Cole during the beta and the character will carry over to your gamer profile in the final game.
Gold-Plated Retro Lancer – Show your ultimate “Gears of War” fandom by unlocking the Gold-Plated Retro Lancer. Complete 90 matches in any game type to unlock it for the beta, and score 100 kills with it once unlocked to carry the exclusive weapon skin over to your gamer profile in the final game.
Flaming Hammerburst – Complete one match by Sunday, April 24 and unlock this weapon variant.
Flaming Lancer – Complete one match during the week of April 25 and unlock this weapon variant.
Flaming Sawed-Off Shotgun – Complete one match during the week of May 2 to unlock this weapon variant.
Flaming Gnasher Shotgun – Complete one match during the week of May 9 to unlock this weapon variant.
Subject: Gears of War 3 unlockables list 
Sat Apr 16, 2011 10:06 am
