Collect the following Yen bonuses by completing the game on the corresponding difficulty levels:
YEN BONUS - DIFFICULTY LEVEL
1 million Yen bonus - Beat the game under the Easy difficulty setting.
2 million Yen bonus - Beat the game under the Normal difficulty setting.
3 million Yen bonus - Beat the game under the Hard difficulty setting.
5 million Yen bonus - Beat the game under the EX-Hard difficulty setting.
EX-Hard difficulty - Beat the game under the Hard difficulty setting.
Have a saved game file from Ryuu ga Gotoku 3 to unlock the Asagao Special Torso Wrap.
Have an saved game file from Ryuu ga Gotoku Kenzan! to unlock the Bell of Gion.
Beat the game to unlock the following bonuses:
Premium New Game
Reminiscence (Kaisou) mode
Ultimate Competition (Kyuukyoku Tougi) mode
Underground SP Championship:
To unlock the Underground SP Championship, beat the game, then enter Naomi no Yakata, which is located on Tenkaichi Street. Then, talk to Utsunomiya Bob A.
20 Sub-Stories - Complete 20 sub-story missions.
4 Sub-Stories - Complete 4 sub-story missions.
40 Sub-Stories - Complete 40 sub-story missions.
Arena Star - Earn the title "Arena Star" in the fighting arena.
Boiled Turkey - Get a turkey in bowling.
Emblem Collector - Collect 10 emblems from the remaining gang members after finishing Kiriyu's team encounter missions.
First Carom - Score the first point in a game of four ball.
Hat Trick - Get a hat trick in darts.
Hot Spring Ping-Pong Magistrate - Smash the ball 3 times in 1 ping-pong match at the hot spring.
Human Karaoke Machine - Do all the karaoke songs once.
Kamuro Gourmet - Eat all the food from restaurants in Kamuro.
Kamuro's Master of Ecology - Pick up 20 pieces of trash (Hidden).
Let's Go Out After! - Go on a date with a cabaret girl after her working hours.
Master of Weapon Categories - Make 1 weapon from every weapon category.
Mr. Dress Up - Buy one of every type of dress in the "Making the No.1 Cabaret girl mission".
Mr. Outdoors - Play golf and fish 5 times.
Mr. Pause Menu - Obtain all memos for the pause menu.
Mr. Two Birds with One Stone - Hit two targets at the same time at the batting center.
Mr. VIP - Become a VIP at the massage parlor.
Name Hunter - Obtain all cabaret girls name cards.
Novice Gambler - Play all Japanese casino games once.
Novice Teacher - Train a fighter with Saejima and win 1 tournament with them.
Promotion Season - Promote one piece in Shoji.
Rampaging King of Kamuro - Knock 100 pedestrians to the ground.
Revelation Detective - Complete 3 Revelations.
Review Master - Review all scenes from Yakuza 1, 2, and 3.
Road to Becoming Pachinko King - Buy the Pachinko King trophy at the Volcano Pachinko Parlor.
Rookie Gambler - Play all Western casino games once.
Saejima Award - Buy 5 pistols with Saejima.
Seven Pairs - Win a hand consisting of 7 2-set pairs in mahjong.
Story Part 1 Cleared - Clear Part 1 of the story (Hidden).
Story Part 2 Cleared - Clear Part 2 of the story (Hidden).
Story Part 3 Cleared - Clear Part 3 of the story (Hidden).
Story Part 4 Cleared - Clear Part 4 of the story (Hidden).
Strong Man of Kamuro - Travel 100km on foot.
The Joy of Giving - Give a present to a cabaret girl that she wears.
The Way of the Key Master - Open 5 coin locker doors.
Walking Bank - Obtain 10,000,000 yen.
Welcome to Club Sega - Play all games in Club Sega once.
Akiyama Award - Obtain 1,000,000 yen with Akiyama.
Kiryu Award - Break 100 weapons in battle with Kiryu.
Tanimura Award - Win 10,000 points at the casino with Tanimura.
The Persistent Man - Clear the NORMAL difficulty setting without having cleared the EASY difficulty setting.
The Strongest Champion - Get all characters to level 20.
The Ultimate Champion - Beat Ultimate Fighting Mode (Hidden).
Amon Crusher - Crush Amon and finish all 62 sub-story missions (Hidden).
Thanks from all the staff - Beat the game (Hidden).
The Legendary Champion - Beat the EX-HARD difficulty (Hidden).
Platinum Trophy - Earn all Bronze, Silver, and Gold trophies.