The answer is probably because you have the wrong cheats
Swim
I think you can, this is my favorite game for the PS2 and it auto saves even if you have cheats on, but I think you can save personally while cheats are on.
Technically its not Illegal to download it, It's Illegal to be the person who cracks the game, And if your referring to Full auto on pc there not cheats usually for pc games it's a "Mod" Which modifys the current game and edits whatever the mod is supposed to edit, To find Halo 2 I say just google "Halo 2 Pc Download"
Yes you can just type in the name of the game and put cheats and the end for example grand theft auto 3 cheats PS2 for play station 2
the cheats are
cheats
how to open a bridge on grand theft auto iv cheats
hey i have that question too oh WOW ok try going to www.IGN.com for cheats its some thing that you can look up on the WEB
I know 2 for weapons they are 4865550100 and the other one is 4865550150.
yes tipe grand theft auto cheats ps2
no there is no two player cheats.