Hidden Gamerpoint Achievements Revealed

Every play online games released for the Xbox 360 must contain a total of 1000 Gamerpoints, which are awarded to a player's profile for achieving any number of goals in a play online games. Some play online games go above and beyond, awarding a secret bonus set of points for accomplishing hidden tasks which are nearly impossible to pull off for all but the most hardcore play online games.
Below are the hidden achievements we've uncovered for some of the system's most recent releases. Give them a try, and soon you might have enough Gamerpoints to become the undisputed king of useless rewards!
Gears Of War

250 Gamerpoints - Play three play online games on Live without hearing someone ignore a screaming baby in the background, a twelve year old kid cursing to seem mature, or a single instance of the words "faggot" and "nigger".
200 Gamerpoints - Beat the entire play online games by entering the warehouse that contains the titular gears in the first level, then bringing them to a halt with a well-placed wrench.
150 Gamerpoints - Defeat General Raam in the mini-golf Hole In One Challenge.

And now you're out 150 Gamerpoints.

150 Gamerpoints - Go through the week following the play online games release without seeing Cliffy B.'s mug. 100 Gamerpoints - Dye your hair black, make a Livejournal icon of your face at a funny angle with "destroyed beauty" over one corner in a flowery/gothic font.
50 Gamerpoints - Discover the Raccoon Suit powerup, fly over an entire level.

Marvel: Ultimate Alliance

250 Gamerpoints - Refrain from destroying every single wall, barrel and computer console you come across.
250 Gamerpoints - Figure out what Spider-Man's weblines stick to when he shoots them straight up outdoors.
200 Gamerpoints - Punch a dog into outer space.
150 Gamerpoints - Complete Deadpool's hidden training play online games, "I'm Pretty Much Just Spider-Man With Guns".
150 Gamerpoints - Discover Captain America's hidden fifth costume, the nacho cheese-stained grey sweatpants.

Call Of Duty 3
250 Gamerpoints - Beat the play online games German level "We Didn't Cross The Polish Border, The Border Crossed Us"
250 Gamerpoints - Moments before being fatally wounded, show a squadmate a photograph of your sweetheart and tell him your hopes and play online games for once this crazy war is over.
200 Gamerpoints - Punch a dog into outer space.
200 Gamerpoints - When face-to-face with a German, calmly hand him your wallet and put your hands up, explaining that you don't want to play online games a scene.