If you are using a Ps2,it means L1 and R1. If PSP in cheats L1 and R1 are the shoulder buttons.
you would do O,X,DOWN,O,X,UP,L,L
In the game GTA Liberty City, you can punch in a code that will let you obtain flying cars. The code is L,L,R,R,X,circle,circle,Up,Up,X,X.
enter code :l,r,triangle ,l,r ,o,l,r
type in up left down circle x l r r l
up,down,left,right,x,x,L,R.
code avion gta vice city sur psp
You cannot skip the mission in the game.You can only do the mission.You can try having a saved game file for psp and install them in the memory.
the GTA pc cheats are awsome and here they are: full health:O,R,L,A
Liberty
The helicopter cheat in gta vice city stories is: up, up, up, up, down, x, x, L, R, o, SQUARE, SQUARE Whether this cheat will work for liberty city stories, I'm not sure. -Hope I helped-
yes its L R Square L Circle L R not working
L L R R triangle circle maybe this is the code