| All Action Figures |
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Enter 977548 as a code to unlock all action figures.
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| Bronze Mermaidman Movie |
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Successfully complete Story mode on the Bronze difficulty setting to unlock the Bronze Mermaidman movie under the options menu.
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| Gold Mermaidman Movie |
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Successfully complete Story mode on the Gold difficulty setting to unlock the Gold Mermaidman movie under the options menu.
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| Gold Mode |
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Successfully complete Story mode on the Silver difficulty setting to unlock the Gold difficulty setting.
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| Hook, Line, And Cheddar Mini-game |
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Enter 893634 as a code to unlock the Hook, Line, And Cheddar mini-game.
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| Make-Your-Own-Movie |
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Successfully complete Story mode on the Gold difficulty setting to unlock the Make-Your-Own-Movie under the options menu.
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| Silver Mermaidman Movie |
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Successfully complete Story mode on the Silver difficulty setting to unlock the Silver Mermaidman movie under the options menu.
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| Silver Mode |
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Successfully complete Story mode on the Bronze difficulty setting to unlock the Silver difficulty setting.
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| Silver Story Mode Challenges |
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Enter 486739 as a code to unlock the Silver Story mode challenges
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