Tips and cheats in this games: GTA:SAN ANDREAS, POKEMON GOLD/SILVER, WWE SMACKDOWN VS.RAW, AND Call of Duty: Finest Hour.  

GTA:SAN ANDREAS
Easily win the Chiliad Challenge Wait for the other racers to finish and cycle down tn just before the last marker. Get off the bike and use a sniper rifle to shoot the other racers in the finishing area, as you do this your position will rise. When you are first, get back on the bike and finish the race. . .
"thats my tips in GTA"

POKEMON GOLD/SILVER
Clone your Pokemon.

Go up to your PC and change your box to a empty one. Then exit and save your game. Next put the pokemon you want to be cloned into the empty box. Then attempt to change your box to anothe empty one but turn the game boy off when it says saving dont turn off the power. Then turn it on go into your PC and there you go. One pokemon in your box, and one in your party! Be warned though, you could wipe your saved game.
"this is the end of my tip in this game pokemon.

WWE SMACKDOWN VS. RAW!
Double clean boost.
This is a sneaky way to get a clean driving bonus. Set a clean wrestler the mves on the top rope and RVD diving kick. The during match, whghp the opponent into the ropes, use on the top rope and then as he steps towards your RVD diving kick" em. You will go over his head and both feet will knock him down, giving you x2 clean diving bonus. Do about four of these to clean your meter.
" this is the end of my topic in this game WWE Smackdown vs. RAW. "

Call of Duty: Finest Hour
In the surrender at aachen level ( western front ), you will be in an enemy occupied house right from the start. The small room directly across from where you start from has a small teddy bear that you can take. It's quite interesting. . .
Happy posting and godbless. . . Hope i help many gamers in that tips in game. . .