Pirate Yakuza in Hawaii's treasure hunting may be a worthwhile side activity, but it's much more than just an extra bit of content.

Yakuza/Like a Dragon was a brawler before it became a turn-based RPG in its main titles, but the side games like Pirate Yakuza in Hawaii remain action-packed beat 'em ups. It's all about punching, kicking, shooting, and slashing.

Here's how the latest game in the Yakuza series, Like a Dragon: Pirate Yakuza in Hawaii, sets up a sequel to Infinite Wealth.