All Weapons:
Black, Black, L, Black, Left, Down, Right, Up, Left, Down, Right, Up.

Full Health:
Black, Black, L, R, Left, Down, Right, Up, Left, Down, Right, Up.

Full Armor:
Black, Black, L, White, Left, Down, Right, Up, Left, Down, Right, Up.

Higher Wanted Level:
Black, Black, L, Black, Left, Right, Left, Right, Left, Right.

Lower Wanted Level:
Black, Black, L, Black, Up, Down, Up, Down, Up, Down.

More money:
Black, Black, L, L, Left, Down, Right, Up, Left, Down, Right, Up.

Invisible Cars:
L, L, X, Black, Y, L, Y.

Change outfit:
Right, Down, Left, Up, L, White, Up, Left, Down, Right.

Pedestrians attack you:
Down, Up, Left, Up, A, R, Black, L, White.

Pedestrians have guns:
Black, R, Y, A, White, L, Up, Down.

Pedestrians riot:
Down, Up, Left, Up, A, R, Black, White, L.

Improved car handling:
R, L, Black, L, Left, R, R, Y.

Blow up all cars:
White, Black, L, R, White, Black, Y, X, B, Y, White, L.

Gore Mode:
X, L, B, Down, L, R, Y, Right, L, A.

Clear Weather:
L, White, R, Black, Black, R, White, Y.

Foggy Weather:
L, White, R, Black, Black, R, White, A.

Cloudy Weather:
L, White, R, Black, Black, R, White, X.

Rainy Weather:
L, White, R, Black, Black, R, White, B.

Flying car:
Right, Black, B, R, White, Down, L, R.

Tank:
B, B, B, B, B, B, R, White, L, Y, B, Y.

Speed up time:
B, B, B, X, X, X, X, X, L, Y, B, Y.

Faster game play:
Y, Up, Right, Down, X, R, Black.

Slower game play:
Y, Up, Right, Down, X, L, White.