SpongeBob SquarePants And Friends - Unite! - Platform: XBox

Hook, Line, And Cheddar mini-game:
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Enter 893634 as a code to unlock the Hook, Line, And Cheddar mini-game. 
Alternately, successfully complete Silver Story mode.

Silver Story mode challenges:
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Enter 486739 as a code to unlock the Silver Story mode challenges.

All action figures:
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Enter 977548 as a code to unlock all action figures.

Silver mode:
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Successfully complete Story mode on the Bronze difficulty setting to unlock the 
Silver difficulty setting.

Gold mode:
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Successfully complete Story mode on the Silver difficulty setting to unlock the 
Gold difficulty setting.

Bronze Mermaidman movie:
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Successfully complete Story mode on the Bronze difficulty setting to unlock the 
Bronze Mermaidman movie.

Silver Mermaidman movie:
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Successfully complete Story mode on the Silver difficulty setting to unlock the 
Silver Mermaidman movie.

Gold Mermaidman movie:
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Successfully complete Story mode on the Gold difficulty setting to unlock the 
Gold Mermaidman movie.

Make Your Own Movie option:
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Successfully complete Story mode on the Gold difficulty setting to unlock the 
Make Your Own Movie option. Alternately, enable the "Hook, Line, And Cheddar 
mini-game", "Silver Story mode challenges", and "All action figures" codes then 
go to "Mermaidman Movie" in the "Bonuses" screen. The "Make-Your-Own-Movie" 
option will be unlocked.

Loot Scootin' level:
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Successfully complete the Tethered & Weathered, Mother Of Pearl, and Hook, Line 
And Cheddar levels in Gold story mode to unlock the Loot Scootin' level.

Mother Of Pearl level:
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Successfully complete Bronze Story mode to unlock the Mother Of Pearl level.

Rock, Paper, Scissors level:
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Successfully complete the Loot Scootin' level with over 300 points in Story mode 
to unlock the Rock, Paper, Scissors level.

Tethered & Weathered level:
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Successfully complete Gold Story mode to unlock the Tethered & Weathered level.

Two Up level:
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Successfully complete the Loot Scootin' level with over 300 points in Story mode 
to unlock the Two Up level.

Defeating Plankton:
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Make a Bubble Bomb and throw it at him when you can see his belly, then hit him. 
Repeat this until he is defeated. He will do new attacks.