Challenge Unlockables
| Unlockable | How to Unlock |
|---|---|
| Amon's Sunglasses | Beat Amon |
| Beads of Good Fortune | Complete Challenge Lockers (Unlock all one hundred lockers, under and above ground) |
| Dragon Sarashi | Complete Challenge Hostess Maker (Complete all hostess substories for Hostess Maker) |
| Dragon Shirt | Complete Challenge No.1 Hostess Maker (Train all hostesses to reach the number one spot) |
| Ebisu Socks | Complete Challenge IF7-R (Defeat all enemies) |
| Golden Gun | Complete Challenge Minigames (Complete each minigame) |
| Hercules Gauntlet | Complete Challenge Modding (Make all weapons and gear for both Works Kamiyama shops) |
| Journal fo a Rare Sign Maniac | Complete Challenge Fighter Maker (All your apprentices must win the Rookie Tournament) |
| Kokurenkai Belt | Complete all Akiyama's Substories |
| Kokurenkai Headband | Complete all Tanimura's Substories |
| Kokurenkai Undergarment | Complete all Saekima's Substories |
| Limbo 2: Night of the Limbo | Complete all Kiryu's Substories |
| Luck Mallet | Complete Challenge Hostesses (Complete all hostess substories) |
| Lucky Binding | Complete Challenge Dining (Order everything on the menu at every restaurant) |
| Muramasa Blade | Complete Challenge Coliseum (Win all tournaments) |
| Rage Armor | Complete Challenge Police Scanner (Solve cases received on the scanner to complete the challenge) |
| Rage Bracelet | Complete Challenge Gang Encounters (Defeat all gangs) |
| Rage Talisman | Complete Challenge Friends (Become friends with specific people around the city) |
| Sacred Tree Arm Guards | Complete Challenge Master's Helper (Complete all of Master's Tasks) |
| Sacred Tree Armor | Complete Challenge Saigo's Training (Complete all of Saigo's training courses) |
| Sacred Tree Shin Guards | Complete Challenge Nair's Kumite (Help Nair reach her objective) |
| Substitude Stone | Complete Challenge Revelations (See all Revelations) |
| War God Amulet | Complete Challenge HEAT Action (Use all HEAT Actions) |
| War God Talisman | Complete Ultimate Skills in Main Menu |
