Survival
Complete the game mode without losing and continues , in Arcade Game.
30 ✓ May 9th, 2008
5 Straight Wins
Achieve 5 straight wins on Xbox LIVE.
20 ✓ April 19th, 2009
Complete the Game
Complete the game , in Arcade Game. (OK to continue.)
15 ✓ May 6th, 2008
Unlock Ryo
Unlock Ryo Sakazaki by completing the game without losing , in Arcade Game.
10 ✓ May 9th, 2008
High Score
Acquire more than 400,000 points , in Arcade Game.
10 ✓ May 8th, 2008
10 Wins
Achieve 10 wins on Xbox LIVE.
10 ✓ April 19th, 2009
Perfect Victory
Defeat your opponent without sustaining any damage , in Arcade Game.
5 ✓ May 6th, 2008
Flying Kim Bonus
Finish the match with the remaining time as a multiple of 11. (Big Bear stage, in Arcade Game only)
5 ✓ May 8th, 2008
THE KING OF FIGHTERS
Achieve 100 wins on Xbox LIVE.
35 
10 Straight Wins
Achieve 10 straight wins on Xbox LIVE.
35 
50 Wins
Achieve 50 wins on Xbox LIVE.
20 
Mai's Folding Fans
Use Mai and lose when the number becomes 59 by adding the 1st & 2nd set of 2 digits from your score.
5