This is my favorite One Piece Game.

This game delivers such interesting and unique islands inspired from the original series. This is truly and wonderful adventure.

You go from the sunny to island to island and every island has their own secrets and unlockables. After you complete a island you make sure you come back cause you still have alot more to explore. Every island has their insects to catch, plants to catch, fishes to fish, rocks to mine & the best part is that everything is needed for something. Your progression gets stuck in upgrades and thats when exploration becomes even better.

Every character has their own customizable moveset.
For example, Zoro AAA string, you can change that string attacks to BBB or ABA, BAB, BBA its all very customizable. And to add on, every move also has his own lvl, and the higher the lvl the stronger the move is.
How do you unlock moves you ask ? Every Character have diff ways of getting new moves, either by eating specific food cooked by sanji, getting certain moves to certain lvl, unlocking items and etc.
This game just gives you so much to do and explore.

The bosses are challenging and they are presented in a very good way, be ready to get surprised by some appearances.

You also have free mode so you can play with all the characters this game has. Exactly, even the NPCs can be played in free mode. This roster is the most random roster a one Piece game had, i love it.

Even though this game is amazing it has one big flaw. You can only unlock every character if you played the prequel. I dont remember if it stops your story progression but if you want to take full advantage of this game i advise you to complete the prequel. Even with that flaw i truly love this game and is well worth getting both games for the full experience.