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

Device Compatibility: Action Replay, Code Breaker & GameShark

Away Team Scores 0
300e3ee80000

Away Team Scores 50
300e3ee80032

Home Team Scores 0
300e3ee90000

Home Team Scores 50
300e3ee90032

Do you know any additional codes for this game? Is there an error listed above? Let us know about it and we’ll update the list.
Code Indexes for Sony Playstation (PS1)

• Action Replay Index for Sony Playstation (PS1)
• Code Breaker Index for Sony Playstation (PS1)
• GameShark Index for Sony Playstation (PS1)
• Preformatted .CHT File Index for Sony Playstation (PS1)

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Other Content for HardBall 99

• HardBall 99 Game Index
• GameShark Codes [US]