Daxter - PSP
Jak Mask
Play the the Prison level and go to the second cell block that is patrolled by three guards. Sneak behind the guards and follow them moving counter-clockwise. Collect the key that is hidden behind the second pillar. Use it to open the first door you see to the northeast. Smash the picture on the shelf to find the Jak Mask.

Dragon Ball Z: Shin Budokai - PSP
Dragon Radar mini-game
At the main menu, press L and "Dragon Click" will appear on the Dragon Radar. Press R to play a mini-game where you must press R repeatedly before time expires..

Dragon Booster - DS
Infinite Sprint
Enter 9, 13, 6, 5, 5, 12 as a password.

Driver: Parallel Lines - PS2 & Xbox
Cheat mode
Pause the game and select the "Settings" option. Then, select the "Cheats" option and enter one of the following codes to unlock the corresponding cheat option, which can then be toggled on or off:

Invincibility
Enter "IRONMAN" as a code.

Metroid Prime: Hunters - DS
Unlock other hunters
Play a multiplayer game with someone that has a hunter you do not have to unlock them in your game.

Tetris DS - DS
Standard Endless mode
Get over 200 lines to complete Standard mode to unlock the "Endless" option when selecting a level in Standard Marathon mode.

The Elder Scrolls IV: Oblivion - PC
Cheat Codes
While playing the game, press ~ to display the console window. Then, enter one of the following codes to activate the corresponding cheat function:

Result	Cheat Code
Invincibility	tgm

The Godfather - PC
Cheat Codes
While playing the game, type one of the following codes to activate the corresponding cheat function:

Result	Cheat Code
Full health	corleone