All the Cheats are Brown and the Sky is Gray

These games just came out last week, yet here I am, digging up cheats for you. That's what I'm talkin' 'bout! (Yes, I have way too much free time.)

Tomb Raider: Legend (Xbox 360) - While in game, pull and hold the Left Trigger. These codes can only be used after they are unlocked.

Hold LB: and press RT, B, X, LT, X, A - Infinite Shotgun Ammo
Hold LB: and press B, Y, LT, RT, A, B - Infinite SMG Ammo
Hold LT: and press A, RT, Y, RT, X, LB - Bulletproof
Hold LB: and press Y, A, B, RT, Y, LT - Wield Excalibur
Hold LB: and press A, RT, B, RT, LT, X - Wield Soul Reaver
Hold LB: and press LT, Y, RT, B, LT, X - Infinite Grenade Launcher Ammo
Hold LB: and press A, B, A, LT, X, Y - Infinite Assault Rifle Ammo
Hold LT then press Y + A + Y +X + LB + B - One Shot Kill
While holding LT, press: LB-A-B-A-Y-RT - Textureless Mode
While holding LT, press: X-B-A-LB-RT-Y - Draw Enemy Health

Battlefield 2: Modern Combat (Xbox 360) - In the middle of gameplay in the campaign mode.

Hold the left and right bumper buttons and press right, right, down, up, left, left on the D-Pad - Unlocks all Weapons