Ninja Gaiden | XBox

Answer

If the XBOX360 can play regular XBOX games, then yes you will be able to play this.

Need for Speed Most Wanted | PlayStation 2

Answer

But this game is already made for the PlayStation 2, you can also pick up the newest version for the PlayStation 3.

Mercenaries 2: World in Flames | PlayStation 3

Answer

You don't have to download anything, simply open your PDA and type in this code: L2, R2(2), L2, R2, L2(2), R2(3), L2.

The Elder Scrolls IV: Oblivion - Game of the Year Edition | PlayStation 3

Answer

If it is the armor of Tiber Septim you are talking about, you must chat with him (Martin) about it, he will give you the background information about it and tell you where it is located, as well as give you a map marker.

Call of Duty 4: Modern Warfare | PlayStation 3

Answer

This person probably had a modded or hacked game. You should report him to stop this.

The Sims Bustin' Out | PlayStation 2

Answer

When your characters go anywhere (School, work etc.) they will return later in the day, usually the time is specified.

Grand Theft Auto: Vice City Stories | PSP

Answer

Sorry there is no cheat to obtain a jet in this game.

Grand Theft Auto 4 | Xbox 360

Answer

Sorry I don't understand your question, please comment on this answer rephrasing your question.

Grand Theft Auto 4 | Xbox 360

Answer

There is a "wanted level down" cheat, is is located under the Grand Theft Auto: Vice City section. This can be found in the "XBOX" platform part of the site, under "G".

Grand Theft Auto 4 | Xbox 360

Answer

Well you should probably ask another question in the right game, but to answer this question: No, there is no cheat for a plane in this GTA game.