Characters

• Gen Fu – Complete Eliot's Story Mode.
• Leon – Complete Zack's Story Mode.
• Ein – Complete Hitomi's Story Mode.
• Helena – Complete the Story Modes of all initially available characters.
• SPARTAN-458 – Complete Helena's Story Mode.
• Tengu – Complete the Time Attack Modes of all the other twenty-one characters.
• Biolab Core – The Biolab core Stage will unlock after completing Story Mode
• Nassau - Nassau Station stage becomes available after unlocking the SPARTAN-458 character.
• Tatami – Complete the story mode for all seventeen characters. Unlock all hidden costumes for all twenty-one costumes. Unlock the system voice for all twenty-two characters. This stage is available in Sparring mod, but this unlocks the stage for other modes.

Movie theatre mode
Beat the Story Mode once.

System voices
Complete a character's Exercise session in Sparring Mode. You can then choose the voice heard during matches in the Settings menu.

Alpha-152's system voice
Unlock the System voices for all twenty-one characters. Keep in mind that Ein doesn't have a voice.

Increased Bounciness
Enter your age as '99' to see the female characters' breasts bounce more than usual.

See also

• DOA4 Characters
• DOA4 Reviews
• DOA4 Screenshots