The following are known GameShark Codes for Freestyle Boardin’ ’99 on Sony Playstation (PS1).
These codes were also known as Action Replay Codes and in most cases will work on both devices.

These codes are for the U.S. version of the game.

• Maximum Trick Points
  800B6924 FFFF
• Infinite Attribute Points
  800DE5E8 0009
• Time Is 0:00:00
  800B65C8 0000
• Never Miss Any Flags
  800B65F8 0000