Unused data can be found in the game’s files suggesting that the Sensei, Rockhopper, the Jet-Pack Guy, and a robot from the PSA missions were going to be fully functional characters.
Contributed by GamerBen144
During Club Penguin's 5th anniversary celebration, special edition copies of the game with exclusive boxart were given out to members of their staff.
Contributed by GamerBen144
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Within the game's files is an early and unused placeholder title screen. This same unused image can be found within the files of the game Fortune Street, even though the games have absolutely no affiliation.
Contributed by Dekutony