R-Types
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Level select
At the title screen, highlight either the "R-Type" or "R-Type II" options. Then, quickly press L2(10), R2(10). Now begin a game and press Start. Any level, including the ending FMV sequences, may now be accessed through the "Stage Select" option.
All weapons
Pause the game in R-Type or R-Type II. Then, hold L2 and press Right, Up, Left, Right, Down, Left, Up, Right followed by one of the following buttons for various weapons: Triangle, Square, X, Circle, or R1.
Speed select
Pause the game in R-Type or R-Type II. Then, hold L2 and press Right, Up, Right, Up, Down, Left, Down, Left followed by Circle to increase or X to decrease the speed.
Slow motion mode
Pause the game in R-Type or R-Type II. Then, hold L2 and press Right, Up, Right, Up, Down, Left, Down, Left, X.