Perform the task in order to unlock the thing specified before.

Unlockable	How to unlock
Axe-hand Morgan Statue	Complete level 1-3.
Billow-a-bike	Complete level 6-3.
Cat's Claw	Complete level 3-3.
Chakram	Complete level 3-2.
Chouchou's dogfood	Complete level 2-2.
Elephant Tuna	On level 6-1, have Sanji talk to a woman.
Free Food	Complete level 4-2.
Gas Mask	Complete level 4-3.
Hatchan's Octopus Trap	Complete level 5-2.
Lollipop	Complete level 4-3.
Mackerel Head One	Complete level 4-1.
Map of the grand line	Complete level 2-3.
Master of the Near Sea	Complete level 5-2.
Shigure	Complete level 6-2.
Special Buggy Ball	Complete level 2-3.
Tooth Gum	Complete level 5-3.
Usopp's Sling shot	Complete level 3-3.
Wado	Complete level 1-2.
Zolo's Stomach Band	Complete level 1-3.