Tom Clancy’s Splinter Cell is so full of cheats, hint, tips and secrets that you could spend months finding them all but you don’t have to because here they are. If you know of any more please add them to the comments of this post.
Splinter Cell Cheats and Tips
Level select
Enter “!lamaudite!” as a name to [...]

Here are all the Prince of Persia cheats I could find. If you know any more please add them to the comments of this post.

Unlock PoP first level in 3D

Start a new game. Stay on the balcony and hold L3 (left analog stick). Then, quickly input the following cheat:

Cheat
Effect

X, Square, Triangle, O, Triangle, X, Square, [...]

Alpha Protocol is being released tomorrow, June 1st, 2010 and here are the following achievements to unlock Xbox Live Gamerscore points for Alpha Protocol.
Alpha Protocol Achievements and How to unlock them.

* Alpha Protocol ( 75 points )                        * Complete Operation Desert Spear.
* Antisocial ( 10 points )                                  * Get 3 people to hate [...]

UFC Undisputed 2010 Cheats, Hints, Tips and Secrets are starting to roll in as people play the game. So far here’s what I’ve got but stay bookmarked to this page for more updates soon.
Play as BJ Penn (black trunks)
At the main menu, press LB, RB, LT, RT(2), LT, RB, LB, Y, X(2), Y, Start to [...]

Far Cry 2 has a lot of amazing graphics and a ton of cheat codes, hints and secrets as the game is played. I think the graphics in Far Cry 2 are so realistic that at times I feel like I’m watching a movie. The intro is a bit slow and boring without a way [...]

Battlefield: Bad Company 2 has a lot of cool  tricks in it and here are a bunch of them. Knowing where to go and what to find and how to use it properly in this game makes it so much more fun. Here´s some cheats, hints, tips and secrets to Bad Company 2. For more [...]