Yakuza 3 features a wide variety of mini-games, offering a break from the intense main story and a chance to earn money, items, and even unlock new abilities. These activities are scattered throughout Kamurocho and Okinawa.

Popular Mini-Games include:
- Bowling: Located at Mach Bowl in Kamurocho. Aim for strikes and spares to win prizes.
- Batting Center: Located in Kamurocho. Practice your swing and hit home runs for rewards.
- Golf: Available in Okinawa. A more relaxed activity, but still challenging to master.
- Fishing: Available in Okinawa. Catch different types of fish for money or to complete requests.
- Mahjong: Found in various Mahjong parlors. A complex Japanese tile game that can be very rewarding once learned.
- Shogi: Japanese chess, also found in parlors.
- UFO Catcher: Claw machines in arcades. Win plush toys for Haruka.
- Karaoke: Sing along to classic Yakuza tunes. Aim for high scores.
- Darts: Found in bars. Improve your aim for better scores.
- Hostess Clubs: Engage in conversations with hostesses to build relationships. This is a significant mini-game with its own progression system.
Each mini-game has its own set of rules and strategies. Don't be afraid to try them all. Some mini-games are tied to substories or completion lists, so mastering them can be beneficial for 100% completion.