known as a very challenging final boss in several characters' story mode and the time attack mode in DOA4, and is an especially difficult opponent for slower characters. Alpha-152 can be unlocked as a playable character in Dead or Alive Dimensions. She returns in Dead or Alive 5, in which she can be unlocked again as a playable character. In the story mode of DOA5, Alpha-152 is again the last opponent. She takes on Kasumi's exact form and can also transform into Ayane, Hayate and Ryu during the final battle. has first appeared in Dead or Alive 5 during the story mode's introduction cutscene, where she attacks and destroys Bayman's special forces team in a war zone. She has debuted as a playable character in the Arcade version of Dead or Alive 5 Ultimate, after which she was made available as downloadable content (DLC) in console version after with the new character Marie Rose. Unlike the other clones, Phase-4 wants to live as a human being. She has her own, very different fighting style, which mixes the moves of Kasumi and Ayane. According to Joystiq, Phase-4's various costumes "bear the trademark hypersexuality that Team Ninja infuses into all of its games" but "generally revolve around a hood, making her the most brooding, angsty version of Kasumi to date." She was not originally planned to return in Dead or Alive 6, however was eventually included as a bonus character in a pre-order DLC package, listed as Phase 4. In the sixth game's main storyline, the mass-produced Phase 4 clones are the enemy characters, while the previous black-hooded Phase 4 who attacked Bayman's army and ran away is presumably mentioned by Lisa. DOA spin-offs and Ninja Gaiden Kasumi appears in the 2003 sports video game Dead or Alive Xtreme Beach Volleyball (DOAX). There, Kasumi is invited to a fourth DOA tournament; upon arriving she discovers the invitation is a hoax, and she and the game's other characters play beach volleyball. Kasumi also appears in the sequel, Dead or Alive Xtreme 2 (2006), and in the portable version Dead or Alive Paradise (2010). She is one of the first nine playable female characters in Dead or Alive Xtreme 3 (2015). In this case, Kasumi, while reading her fortune, returns once again to New Zack Island, and she decides to spend some time in order to find of about her fortune. In mobile game