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Get Jackal Boat:
Use the ensign difficulty level and finish the Assault on Black Moon Level

Get Guncat Catamaran:
Use the ensign difficulty level and finish the Protection racket Level

Get Fireshark Gunboat:
Use the ensign difficulty level and finish the Up the Nagau Level

Get Lightning Speedboat:
Use the ensign difficulty level and finish the A Friend In Need Level

Get Salamander Speedboat:
Use the ensign difficulty level and finish the Fish in a Barrel Level

Get Tigershark Gunboat:
Use the ensign difficulty level and finish the Sampan Surprise Level

Get Pike Speedboat:
Use the ensign difficulty level and finish the Payment is Due Level

Get Gunshark Gunboat:
Use the ensign difficulty level and finish the Ships in the Night Level

Get Kingdom Come Battle Mode:
Use the ensign difficulty level and finish the Baptism of Fire Level

Get Metal Massacre Battle Mode:
Use the ensign difficulty level and finish the Hurricane of Fire Level

Get Clanbake Battle Mode:
Use the ensign difficulty level and finish the A poke in the Eye Level