No dragon
     Press  [Up],  A,  [Right],  A,  [Down],  A, [Left], A, [Up], S, D
during game play.

Wizard mode
     Press  Z, C, Z, C, [Up], [Down], [Up], [Down], [Left], [Right] at
the main menu. Game play will be faster in this mode.

     Do all the following codes at the difficulty menu screen. Depends
on  how  you  config  the  keyboard.  Press  [f6] key for your current
keyboard config. (eg. Zoom1 is default to "A" key)

Infinite continue
     Up, Zoom1, Right, Zoom2, Down, Zoom3, Left, Zoom2, Up, Zoom1

Stage Select
     Up, Up, Down, Down, Left, Right, Left, Right, Zoom1, Zoom2, Zoom3

Invincible mode
     Turn  Left,  Turn  Left,  Turn Right, Turn Right, Up, Down, Left,
Right  (It  should  display  "Invincible  Mode"  after you've type it.
Please  note  the Turn Left key isnt the same as the Move Left key. If
you  can't  make  it  working, try config the Turn Left key to "Q" and
Turn  Right key to "E". Then type Q,Q,E,E,Up,Down,Left,Right should be
okay).