First you need the demo disc exhibition and DOA3. Then on the demo disc go to extras and click on doa3. Once you get there go to booster disc there you can choose if you want to download all costumes or the ones you want then you have most of the characters costumes.

get gold on time attack with Christie and Helena. Make sure the settings are on default.

Hold A + B + X after winning a match. When the replay starts, press Y to slow it down or go back.

When You get up close to Omega after getting hit by his magic go up next to him and press the little black button on the top right of the controller repeatedly. This move is too fast for the slow guy.

Successfully complete Story mode with all fighters. An option to toggle the ending credits will be unlocked on the game settings screen.

When you select Kasumi, press Y to select her with a loose hair. This works for all of her costumes, including her secret school costume.

When you take down an opponent, press UP + A+B+Y(black button). Your character will do a down attack by jumping on the opponent and an item will drop. This will help you if the opponent dropped a pinapple or meat(as in food) that'll restore some of your health.

When you kill someone they drop a food item of some sort, always get it unless it will cause you to die as not only does it give you lots of points but also a massive health regeneration.

Select versus or training mode and highlight the snow stage. Press X for a light snow, press Y for a blizzard, or press A for a random effect.

Kasumi: Schoolgirl costume:
Successfully complete exercise mode in the sparring mode.

Play as Ein
Successfully complete story mode with all characters. Then, play survival mode or time attack mode and get ranked and enter "EIN" as a name. Ein will now be playable in all modes except story mode.

Ein's 3rd costume
Successfully complete time attack mode in under six minutes to unlock Ein's shirtless costume.

Helena swimming in aquarium
When you first turn on the game, press Start to skip the introduction and get to the title screen with "Press Start". Do not press Start and wait for the game's introduction to begin again. Instead of starting off with the Azuchi, it will start in the Aquarium. You will then see Helena swimming in the large tank in her red bikini.

Alternate costume colors
Press the indicated buttons to select your character's costume and it will change their appearance. This works for the following characters:

Kasumi

Costume 1: Press A (Blue Ninja Outfit, Hair in a Ribbon)
Costume 1: Press X (Blue Ninja Outfit, Hair in a Braid)
Costume 1: Press Y (Blue Ninja Outfit, Hair Loose)
Costume 1: Press A+ L (same as Costume 1 with A)
Costume 2: Press A (White Ninja Outfit, Hair in a Ribbon)
Costume 2: Press X (White Ninja Outfit, Hair in a Braid)
Costume 2: Press Y (White Ninja Outfit, Hair Loose)
Costume 2: Press A + L (same as Costume 2 with A)
Costume 3: Press A (Schoolgirl Outfit, Hair in a Ribbon)
Costume 3: Press X (Schoolgirl Outfit, Hair in a Braid)
Costume 3: Press Y (Schoolgirl Outfit, Hair Loose)
Costume 3: Press A + L (same as Costume 3 with A)
Hayabusa

Costume 1: Press A (Black Ninja Outfit)
Costume 2: Press A (Black Ninja Outfit With Open Arms, a Mask, and Gray Boots)
Costume 2: Press X (C2A in White)
Hitomi

Costume 1: Press A (Denim Jacket, White Top, Denim Jeans)
Costume 1: Press X (Gold Top, Denim Jeans, no jacket)
Costume 2: Press A (White Gi, Black Shirt)
Zack

Costume 1: Press A (Bare Chest, Black Flamed Trunks)
Costume 2: Press A (Purple Silk Jacket, Teal Shirt, White Silk Pants)
Gen Fu

Costume 1: Press A (Black Tunic, White Tiger Stripe Legs and Arms)
Costume 2: Press A (Green Silk Sleeveless Top, Tan Silk Pants, and the Hat)
Brad

Costume 1: Press A (Black/Scarlet Tank Top, Blue Pants)
Costume 2: Press A (White Gi, Blue Trim)
Costume 2: Press X (Orange Gi, Black Trim)
Tina

Costume 1: Press A (Blue Crop Top, Zebra Pants)
Costume 1: Press X (Green Crop Top, Leopard Pants)
Costume 2: Press A (White Fringed "Cowgirl" Outfit)
Bass

Costume 1: Press A (Black Leather Bikers' Outfit)
Costume 2: Press A (Red Bowling Shirt, Black Pants with Yellow Design, Red Bandanna and Gloves)
Costume 2: Press X (No Shirt, Black Pants with Blue Design, Blue Bandanna, and Gloves)
Leon

Costume 1: Press A (Desert Camo Outfit, Black Turban)
Costume 1: Press X (No Shirt, Bandoleer of Shells, Desert Camo Pants)
Costume 2: Press A (Shades, Black Shirt, Red Pants)
Bayman

Costume 1: Press A (Red Beret, Orange Vest, Urban Camo Pants)
Costume 1: Press X (Blue Beret, Black Shirt, Woodland Tiger Stripe Camo Pants)
Costume 2: Press A (Russian Navy Commando Outfit)
Jann Lee

Costume 1: Press A (No Shirt, White Pants with Red Dragon)
Costume 1: Press X (No Shirt, Black Pants with Gold Dragon)
Costume 2: Press A (Purple Kung Fu Outfit with Gold Trim and Sash)
Costume 2: Press X (Gold Kung Fu Outfit with Purple Trim and Sash)
Leifang

Costume 1: Press A (Red Cheongsam with White Design)
Costume 1: Press X (Blue Cheongsam with White Design)
Costume 1: Press Y (White Cheongsam with Gold Design)
Costume 1: Press A + L (Black Cheongsam with Gold/White Design)
Costume 2: Press A (Black Leather Outfit)
Christie

Costume 1: Press A (White Jumpsuit with Teal Trim)
Costume 2: Press A (Purple Pinstripe Business Suit)
Costume 2: Press X (Magenta Pinstripe Business Suit)
Helena

Costume 1: Press A (White, Blue, and Black Opera Outfit with Thigh High Leather Boots)
Costume 2: Press A (White Opera Outfit with Blue Trim)
Costume 2: Press X (Black Opera Outfit with Red Trim)
Hayate

Costume 1: Press A (White Ninja Outfit)
Costume 2: Press A (Red Padded Ninja Outfit)
Costume 2: Press X (Green Padded Ninja Outfit (Same as C2A, but Green)
Ayane

Costume 1: Press A (Purple and Black Ninja Outfit)
Costume 2: Press A (Purple Butterfly Outfit with Yellow Ribbon)
Costume 2: Press X (White Butterfly Outfit with Orange Ribbon)
Ein

Costume 1: Press A (Matrix Look. Black Trenchcoat, Mesh Shirt, Black Leather Pants, Shades)
Costume 2: Press A (White Gi, Black Belt)

Defeat twenty fighters in Survival Mode as Zack.

To restore your health in Survival Mode, you need to have more that one controller. Challenge the player in Survival Mode by hitting "START" on another controller. This will bring you into a seperate battle. Take out the idle challenger and select the option to have the victor go back to the Survival Mode ("V. COM") at the end of the match.

Your character will have his or her health restored and your score, wins and "Danger Reach" status will be unaffected.

Each player has at least one taunt. All characters do this with Back, Forward, Back, then Black or X + A + B

Successfully complete the game in Story mode to unlock that fighter's entry in Theater mode.

1. Complete ''Story Mode'' with all characters.-> Check the Movie section to see if you are missing anyone. 2. Then play either ''Survival'' or ''Time Attack Mode'' and get ranked in using HAYATE and then enter your nickname as EIN. 3. After that, Ein will be playable in all modes except ''Story Mode''.

Complete ''Time Attack Mode'' under 6 minutes with Ein. His 3rd costume is his shirtless and red pants from DOA 2 Hardcore.

Unlock Zack's 3rd Costume: (Tele-tubby Costume)
Defeat 20 opponents in "Survival Mode".

Get the silver Xbox item in Survival Mode

play a 2 player single match and after you completed the two rounds and when it says YOU WON
just after that push these three buttons

B+Y+A and you will be able to control the camera
try it with any player you wish....for good or bad lol...

Hawkeyez