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.
 
  Game Shark Codez:
 
                             North American Version
 
                  
  R-Type I                   
                  
  Infinite Lives P1          
  80138520 0003
                  
  Infinite Lives P2          
  80138528 0003
                  
  Max Force Sidekick P1 & P2 
  301355CA 0003
                  
  Have Missiles P1 & P2      
  301355C1 0001
                  
  Weapon Power-Up P1 & P2    
  801355C8 8000
                  
  R-Type II                  
                  
  Infinite Lives P1          
  300FBC4B 0003
                  
  Infinite Lives P2          
  300FBC53 0003
                  
  Max Force Sidekick P1 & P2 
  300F844E 0003
                  
  Have Missiles P1 & P2      
  300F8445 0001
                  
  Weapon Power-Up P1 & P2    
  800F8452 010C
                  
                                 Japanese Version
 
                   
  R-Type I                 
                   
  Invincible               
  80135A470 0001
                   
  Infinite Lives           
  801359DC 0005 
                   
  Max Speed & Laser Attack 
  80132ADE 0A0A 
                   
  R-Type II                
                   
  Infinite Lives           
  800FA352 0300