Continuity: When Helena is fighting all the guards on the staircase, there are knocked out guards and a samurai sword lying directly behind her foot. In the next shot, they are all to the side so that Helena can run down the steps.
Mistakes
Back at Kasumi's palace, in the close up Helena stands right next to Tina (you can see her hair) but in the next shot Ayane is standing between Tina and Helena. See more...
Trivia
A Wilhelm scream can be heard during the beach volleyball/fighting scene - a henchman is thrown off a balcony and emits one as he falls. See more...
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DOA: Dead or Alive mistakes
Continuity: Back at Kasumi's palace, in the close up Helena stands right next to Tina (you can see her hair) but in the next shot Ayane is standing between Tina and Helena.
Continuity: When Helena is being scanned by the computer, you get to see multiple simultaneous angles of her on the computer screen. Her head movements in one of the images do not match what her head's doing in the others.
DOA: Dead or Alive trivia
A Wilhelm scream can be heard during the beach volleyball/fighting scene - a henchman is thrown off a balcony and emits one as he falls.