| Unlock | How To |
| Subchapter 2 | In Weapon Master mode, gain 300,000 experience to reach Iron Edgemaster. Then beat Chapter 4-3. |
| Extra Versus Team Battle | Beat Extra Team Battle once with any setting |
| Extra Versus Mode | Beat Extra Arcade once |
| Alternative Extra Time Attack | Beat Weapon Master Chapter 9 Mission 4 |
| Character Profile | Beat Arcade Mode with a Character |
| Extra Practice Mode | Beat Weapon Master Chapter 1, Stage 1 |
| Extra Arcade Mode | Beat Arcade Mode once |
| Extra Weapon Master Missions | Beat Weapon Master Chapter 10, Stage 3 |
| Extra Survival Mode | Beat Weapon Master Chapter 6, Stage 5 |
| Extra Team Battle Mode | Defeat Team Battle mode |
| Extra Time Attack | Beat Weapon Master Chapter 5, Stage 1 |
| Weapon Master ending movie | Beat Weapon Master Chapter 10, Stage 3 Extra |
| Weapon Master opening movie | Beat Weapon Master Chapter 10, Stage 3 |
| Cervantes | Beat Weapon Master Chapter 3 |
| Charade | Beat Weapon Master Chapter 3 Stage 1 |
| Seung Mina | Beat Weapon Master Chapter 6, Stage 3 |
| Sophitia | Beat Weapon Master Chapter 4 |
| Yoshimitsu | Beat Weapon Master Chapter 2 |
| Lakeside Coliseum Stage | Beat Weapon Master Chapter 1, Stage 3 |
| Money Pit/Top Tier | Beat Weapon Master Chapter 4, Stage 1 |
| Labyrinth | Beat Weapon Master Chapter 6, Stage 6 |
| Hwangseo Palace/Phoenix Court | Beat Weapon Master Chapter 7, Stage 2 |
| Egyptian Crypt | Beat Weapon Master Chapter 8, Stage 5 |
| Extra Survival Mode (Standard Mode) | Complete Chapter 6, Stage 5 |
| Extra Survival Mode (Death Match Mode) | Complete Subchapter 4, Stage 3 |
| Extra Survival Mode (Extreme Mode) | Complete Extra Chapter 2, Stage 2 |
| Alternate Opening Screen | Complete every all Weapon Master mode missions |
| Beserker | Beat Weapon Master Subchapter 1, Extra Mission |
| Assassin | Beat Weapon Master Subchapter 3-Stage 2 |
| Lizardman | Beat every stage in Weapon Master, including extra missions |
| Second Alternate Title Screen | Unlock all Secrets listed under Collection History |
| Opening (Arcade Version) | Beat Extra Time Attack (Extreme) mode. Or play it 5 times. |
| Opening (Home Version) | Beat Extra Survival Mode (No Recovery) or play it 5 times. |
| Character Profiles | Beat the game on Arcade or Extra Arcade mode with a character to get their profile |
