Snoopy Tennis

Master code:
Enter FFWJ as a password to unlock all extras.
Information in this section was contributed by Alan Arthur.

Bonus characters:

Enter HGQM as a password to unlock Pig Pen, Peppermint Patty, and Woodstock.
Information in this section was contributed by J.M.

Enter WHGX or ZVBM as a password to unlock Woodstock.

Enter ZLNH as a password to unlock Woodstock and Pig Pen.

Enter WWXR as a password to unlock all bonus characters.
Information in this section was contributed by stodom.

Play as Marcie:
Win the championship under the medium difficulty setting.

Play as Pigpen:
Win the championship under the medium difficulty setting.

Play as Rerun:
Win the championship under the hard difficulty setting.

Play as Woodstock:
Win the championship under the easy difficulty setting.