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You cannot enter codes if you have a cheat devices for ps2 like action replay max,gameshark 2 and codebreaker.You can add codes in it but if wrong codes it can freeze your game.
Mercenaries 2 world in flames is already out for the PS2 and was released in August 31 2008
To activate GameShark 2 for PS2, first, insert the GameShark disc into the console and power it on. Once the GameShark menu appears, choose "Start Game" or "Select Game" to access the cheat codes. Enter the desired codes for your game, then select "Start" to launch the game with the cheats activated. Make sure to follow any on-screen instructions for proper usage.
gameshark.com click ps2 in the channel section on the left side of the page, then select ps2 codes on one of the sections on the following page. (kinda confusing layout on the website)
Yes, It will be on the PS2, PS3, 360, and PC
i don't know but use item fusion example:freeza+ultimate form=ultimate freeza
woogie
There are no Gameshark codes for Kingdom Hearts 2.
Yes, it pretty much has the worst graphics out there.
happy hunting $$
yes it's like an army gta
In order to create your own Gameshark codes, intense familiarity with hexadecimal coding is required. Pre-generated codes can be entered with ease, however, and several places supply these codes.