Metal Slug Anthology Cheats (PSP)

Cheat Effect 
UP, SQUARE, SQUARE, DOWN, LEFT, SQUARE, SQUARE, RIGHT Weapon set 1 
UP, CIRCLE, CIRCLE, DOWN, LEFT, CIRCLE, CIRCLE, RIGHT Weapon set 2 
UP, X, X, DOWN, LEFT, X, X, RIGHT Weapon set 3 
L1, R1, TRIANGLE, L1, R1, CIRCLE, L1, R1 Money Cheat ($250,000) 
L1, R1, CIRCLE, L1, R1, X, L1, R1 Full Armor (Blue Bar) 
L1, R1, X, L1, R1, SQUARE, L1, R1 Full Health (Red Bar) 
L1, R1, SQUARE, L1, R1, TRIANGLE, L1, R1 Raise Wanted Level 
L1, L1, TRIANGLE, R1, R1, X, SQUARE, CIRCLE Never Wanted 
CIRCLE, X, DOWN, CIRCLE, X, UP, L1, L1 Cars Drive On Water 
X, X, R1, CIRCLE, CIRCLE, L1, TRIANGLE, TRIANGLE White Cars 
CIRCLE, CIRCLE, R1, TRIANGLE, TRIANGLE, L1, SQUARE, SQUARE Black Cars 
L1, UP, RIGHT, R1, TRIANGLE, SQUARE, DOWN, X Raise Media Attention 
TRIANGLE, CIRCLE, DOWN, TRIANGLE, CIRCLE, UP, L1, L1 Spawn Trashmaster 
L1, L1, LEFT, L1, L1, RIGHT, SQUARE, TRIANGLE Random Ped Outfit 
L1, L1, CIRCLE, R1, R1, SQUARE, TRIANGLE, X Sunny Weather 
UP, DOWN, CIRCLE, UP, DOWN, SQUARE, L1, R1 Clear Weather 
UP, DOWN, X, UP, DOWN, TRIANGLE, L1, R1 Overcast Weather 
UP, DOWN, SQUARE, UP, DOWN, CIRCLE, L1, R1 Rainy Weather 
UP, DOWN, TRIANGLE, UP, DOWN, X, L1, R1 Foggy Weather 
L1, L1, LEFT, L1, L1, RIGHT, TRIANGLE, CIRCLE Spawn Rhino 
L1, L1, LEFT, L1, L1, RIGHT, CIRCLE, X Faster Clock 
L1, L1, LEFT, L1, L1, RIGHT, X, SQUARE Destroy All Cars 
L1, L1, R1, L1, L1, R1, LEFT, SQUARE Peds Riot 
L1, L1, R1, L1, L1, R1, UP, TRIANGLE Peds Attack You 
R1, R1, L1, R1, R1, L1, RIGHT, CIRCLE Peds Have Weapons 
R1, R1, L1, R1, R1, L1, DOWN, X Faster Gameplay 
R1, TRIANGLE, X, R1, SQUARE, CIRCLE, LEFT, RIGHT Slower Gameplay 
L1, UP, LEFT, R1, TRIANGLE, CIRCLE, DOWN, X Perfect Traction 
L1, DOWN, LEFT, R1, X, CIRCLE, UP, TRIANGLE Commit Suicide 
TRIANGLE, TRIANGLE, R1, SQUARE, SQUARE, L1, X, X All Green Lights 
SQUARE, SQUARE, R1, X, X, L1, CIRCLE, CIRCLE Aggressive Drivers 
DOWN, DOWN, DOWN, TRIANGLE, TRIANGLE, CIRCLE, L1, R1 Have People Follow You 
DOWN, DOWN, DOWN, CIRCLE, CIRCLE, X, L1, R1 Bobble Head World 
L1, R1, L1, R1, UP, DOWN, L1, R1 Display Game Credits 
DOWN, DOWN, DOWN, X, X, SQUARE, R1, L1 Upside Down Gameplay 
CIRCLE, RIGHT, X, UP, RIGHT, X, L1, SQUARE Change Bike Tire Size 
TRIANGLE, R1, L1, DOWN, DOWN, R1, R1, TRIANGLE All Vehicles Chrome Plated 
Triangle, Triangle, Triangle, Up, Up, Right, L, R Upside Up 
UP, UP, UP, TRIANGLE, TRIANGLE, CIRCLE, L1, R1 Unlock multiplayer skins 
UP, UP, UP, CIRCLE, CIRCLE, X, L1, R1 4 Gangs+28 Characters (Multiplayer) 
UP, UP, UP, X, X, SQUARE, R1, L1 7 Gangs+43 Characters (Multiplayrer) 
UP, UP, UP, SQUARE, SQUARE, TRIANGLE, R1, L1 2 Gangs+14 Characters (Multiplayer) 
X, X, X, DOWN, DOWN, RIGHT, L1, R1 Upside Down Gameplay2 
X, Square, Down, X, Square, Up, R1, R1 Calls closest Ped to come hop on/in your vehicle.