Level Select:
With either R-Type or R-Type II options highlighted, quickly press L2 10 times, R2 10 times, begin a game & press Start. Now use the D-Pad to select your level or FMV bit.

All Weapons:
Press Start to pause & hold L2 & press Right, Up, Left, Right, Down, Left, Up, Right, then either Triangle, Square, X, Circle or R1 to select the different weapons.

Turbo Mode:
Press Start to pause & hold R2 & press Left, Up, Right, Up, Down, Left, Down, Left, Circle.

Slow Motion:
Press Start to pause & hold R2 & press Right, Up, Right, Up, Down, Left, Down, Left, X.