Need for Speed Carbon Cheats:
To unlock certain items in the game enter the following codes at the ‘click to continue’ menu.
Unlock Cooper Tire Logo:
Type ‘cooperlogofreeforyou’.
Unlock Need for Speed Carbon Special Logo:
Type ‘lotsoffreevinyls’.
Unlock Autozone Vinyl:
Type ‘inthezoneskin’.
Unlock Pharrell Vinyl:
Type ‘pharrellvinylgogo’.
Unlock Castrol Syntec Vinyl:
Type ’syntecskin’.
Unlock Need for Speed Carbon Logo Vinyl:
Type ‘lotsoffreelogos’.
Unlock Cross Corvette Z06 for the Quick [...]

Deus Ex Cheats:
Unlock Endings
Unlock Ending A:
Merge with the Helios AI.
Unlock Ending B:
Agree to Morgan Everett’s proposal to join the Illuminati and killing Bob Page.
Unlock Ending C:
Do as Tracer Tong says and destroy the world’s communications.

S.T.A.L.K.E.R. Cheats:
Alternate Endings
Unlock Ending A:
Go to the Wishgranter with at least 50,000 RU.
Unlock Ending B:
Go to the Wishgranter with over 1,000 Rank Points.
Unlock Ending C:
Go to the Wishgranter when Lukash and Voronin are both dead.
Unlock Ending D:
Go to the Wishgranter with less than -1,000 Rank Points.
Unlock Ending E:
Go to the Wishgranter without any of the [...]

Steel Savior Cheats:
Unlock Infinite Live and Ammo
Enter cizzico at the main menu screen

Frontlines: Fuel of War Cheats
There is a few unlockable bonuses on single player mode which may make the second sitting more enjoyable.
At the extas menu select the bonus content option and type the following codes:
Unlock a Secret Mission in a Village:
Type ’sp-village’.
Unlock a Secret Mission taking place on City Streets:
Type ’sp-street’.

The Sims 2 Cheats:
To access the cheat menu press the following Ctrl + Shift + C.  On this pop up enter the codes below to access the cheats.
List cheats:
Help -all
Expands or contracts Cheat window:
Expand
Closes Cheat window:
Exit
Clears all cheat codes on the screen, but codes are still in effect:
Clear
Increases game performance but lowers graphics:
Vsync (on/off)
Windowed mode:
-w
Start [...]

Football Manager 2008 Cheats:
Licensing agreements have meant that not all national teams have correct player names. This is controlled by a mask. The players exist in the system but the mask blocks them and changes the names. To get rid of the mask remove a file called fake inc from C:/Program Files/Sports Interactive/Football Manager 2008/data/db/800/lnc/all. [...]