Accomplish the indicated task to get the corresponding number of Gamerscore points:

Achieve a Bronze Star (10 points): Defeat someone with a 10-14 win streak in Dead Or Alive 4 Online.
Achieve a Gold Star (30 points): Defeat someone with a 20+ win streak in Dead Or Alive 4 Online.
Achieve a Silver Star (20 points): Defeat someone with a 15-19 win streak in Dead Or Alive 4 Online.
Unlock Ein (10 points): Complete Story mode with Hitomi.
Unlock Gen Fu (10 points): Complete Story mode with Eliot.
Unlock Helena (20 points): Complete Story mode with all characters.
Unlock Leon (10 points): Complete Story mode with Zack.
Unlock Spartan-458 (20 points): Complete Story mode with Helena.
Unlock Tengu (20 points): Complete Time Attack mode with all default and hidden characters.

The following are secret achievements, but will earn no Gamerscore points:

Get a D rank in Dead Or Alive 4 Online.
Get an E rank in Dead Or Alive 4 Online.
Get an F rank in Dead Or Alive 4 Online.
Lose 5 consecutive online matches.
Lose 10 consecutive online matches.
Lost 20 consecutive online matches.