One Piece Moja! is a sim game released for mobile devices on June 6, 2013 on Android and July 10, 2013 on iOS. It also acts as a game portal to access and share information about other One Piece mobile games. Service for the game ended on November 29, 2015.
As a sim game, One Piece Moja! allows players to interact with the Straw Hat Pirates, collect items, and decorate the deck of the Thousand Sunny at their leisure. Players are able to interact with friends online and visit other Thousand Sunny’s with users across Japan. Players can collect and send stamps to their friends, and meeting others will reward players with items.
One Piece Moja! contains information about other One Piece mobile games, and if players have Moja and linked games, Moja measures players score rankings online. Linked games include:
- One Piece Straw Wars Pirate Defense
- One Piece Pirate Millionaire
- One Piece Swordsman Roronoa Zoro -The Fierce Warriors-
- One Piece Straw Hat Pinball -Marineford Summit War-
- One Piece Donjara
- One Piece Running Chopper: Chopper and the Island of Bonds
- One Piece Grand Quiz Battle
- One Piece: Dance Battle
- One Piece Treasure Cruise
The game also features a function where players will be notified of a new chapter’s release with fireworks. If players register their birthday in the app, the Straw Hat Pirates will celebrate on their birthday.