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Project Epsilon

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DOAD Lisa Hayate

Lisa oversaw Project Epsilon during her time at DOATEC.

Project Epsilon is a scientific genetic-modification project that was introduced in Dead or Alive 2, created by the Dead or Alive Tournament Executive Committee. Created by Victor Donovan, the goal of the project was to create the "ultimate fighter." The project was overseen by DOATEC scientist, Lisa Hamilton.

HistoryEdit

During the events of the first Dead or Alive Tournament, DOATEC kidnapped a powerful shinobi, Hayate of the Mugen Tenshin Ninja Clan, who was in a coma after his spine was heavily damaged by Raidou during a Torn Sky Blast duel.

The purpose of the project was to develop a superior physical body with superhuman abilities, using Hayate's current strength, skills, and abilities as a starting point.

Apparently most of the modifications were made to Hayate's nervous system, and while his spine was repaired and he came out of his coma, he didn't show any improvement in abilities and power, and he lost his memories as a result of the experiments. The project failed and Hayate was released by Lisa.

After Epsilon failed, DOATEC then planned to clone the winner of the tournament and Hayate's younger sister, Kasumi, who was considered genetically superior to Hayate. This second attempt led onto Project Alpha.

However after the fifth tournament, Donovan had Project Epsilon reactivated when Hayate was recaptured by Rig. Hayate was confined inside the laboratory hidden within the rig and put to sleep at a basic cellular level. But the project seems to have failed once again when Kasumi rescued him and Lisa woke him up from his sleep.

EtymologyEdit

"Epsilon" (Greek: Έψιλον) is the fifth letter of the Greek alphabet, corresponding phonetically to a close-mid front unrounded vowel /e/. Epsilon is repersented by the symbol Ε in uppercase, and ε in lowercase. In the system of Greek numerals, Epsilon has a value of 5.

The name "epsilon" (ἒ ψιλόν, "simple e") was coined in the Middle Ages to distinguish the letter from the digraph αι, a former diphthong that had come to be pronounced the same as epsilon. The symbol ε is used in mathematics and science; mostly in theories and equations about change or lack of change in certain factors, which relates to the fact that Hayate didn't show any improvement during the experiment.

Epsilon follows the theme of being named after a letter in the Greek alphabet, which is shared with the other known DOATEC genetic experiments: Project Alpha and Project Omega.


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Games
Main series Dead or Alive - Dead or Alive 2 - Dead or Alive 3 - Dead or Alive 4 - Dead or Alive 5
Spin-offs and related titles Dead or Alive++ - DOA2: Hardcore - Dead or Alive Ultimate - Dead or Alive Online - Girls of DOA BlackJack - Dead or Alive Dimensions - Dead or Alive 5+ - Dead or Alive 5 Ultimate - Dead or Alive 5 Last Round
Dead or Alive Xtreme sub‑series Dead or Alive Xtreme Beach Volleyball - Dead or Alive Xtreme 2 - Dead or Alive Paradise - Dead or Alive Xtreme 3
Canceled games Dead or Alive: Code Chronos - Project Progressive
Related series Ninja Gaiden series - Virtua Fighter series - Warriors series
Characters
Playable characters Main cast Kasumi - Zack - Ryu Hayabusa - Bayman - Leifang - Gen Fu - Tina Armstrong - Jann Lee - Bass Armstrong/Mr. Strong - Ayane - Helena Douglas - Leon - Ein - Hayate - Hitomi - Brad Wong - Christie - La Mariposa/Lisa Hamilton - Kokoro - Eliot - Rig - Mila - Momiji - Rachel - Marie Rose - Nyotengu - Honoka
Secondary Kasumi α - Shiden - False Kasumi - Phase 4
Final bosses Raidou - Bankotsubo - Genra - Alpha-152
Guest characters SPARTAN-458 - Rio - Akira Yuki - Sarah Bryant - Pai Chan - Jacky Bryant - Naotora Ii - Mai Shiranui
Non-playable characters Main series Alicia Armstrong - Anastasia - Anne - Ayame - Burai - Chen - Fame Douglas - Goldie - Hitomi's father - Irene Lew - Isabella - Kuramasan Maouson - Lauren - Maria - Mei Lin - Miyako - Muramasa - Niki - Victor Donovan
Guest characters Ridley - Samus Aran
Non-canon characters Max - Weatherby
Miscellaneous characters Toreko
Terms
Gameplay modes Story - Versus - Arcade - Time Attack - Survival - Tag Battle - Team Battle - Training - Online - Spectator - Album - Movies - Fight Record - Titles - Help & Options - Music
Gameplay terms Attacks - Boss Battles - Character Select - Cliffhanger - Combo - Counter Blow - Critical Hit - Danger Zone - Game Over - Holds - Knocked Out - Match - Move Data - Power Blow - Power Launcher - Replay - Side Stepping - Special Moves - Stages - Stances - Tag Throws - Attack Change - Triangle System
Plot subjects DOATEC - Dead or Alive World Combat Championship - Mugen Tenshin clan - Ninpo - Nukenin (missing shinobi) - Project Alpha - Project Epsilon - Shinobi - Tengu
Other terms Blood Type - Bust/Waist/Hip Measurements - Character Relationships - Credits - Cutscenes - Endings - Glasses - Openings - System Voice - Tournament Winners
More information and archives
Actors - Canon timeline - Command Lists - Costumes - Fandom - Gameplay - Items - Locations - Martial arts - Media - Merchandise - Movies - Music - Soundtracks - Staff - Stages - Tag Throws
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Characters
Playable Kasumi - Ryu Hayabusa - Gen Fu - Helena Douglas - Tina Armstrong - Bass Armstrong - Zack - Leon - Jann Lee - Leifang - Ayane - Ein
Unlockable
(JPN Dreamcast and Hardcore versions)
Bayman - Tengu
Non-playable characters Helena's mother - Kasumi X - Roland
Terms
Gameplay modes Story - Time Attack - Survival - Tag Battle - Team Battle Mode - Versus - Sparring - Watch - Battle Record - Options - Collection - CG Gallery
Gameplay terms Attacks - Boss Battles - Character Select - Combo - Counter Blow - Critical Hit - Danger Zone - Game Over - Holds - Knocked Out - Match - Name Entry - Replay - Side Stepping - Special Moves - Stages - Stances - Tag Throws - Throws - Triangle System
Plot subjects Dead or Alive World Combat Championship - DOATEC - Mugen Tenshin Ninja Clan - Project Alpha - Project Epsilon - Runaway shinobi - Shinobi - Tengu
Martial arts Jeet Kune DoKarate - Ninjutsu - Pi qua quan - Pro-wrestling - Russian martial arts - T'ai chi quan - Thai-style boxing - Tengu-do - Xinyi liuhe quan
Other terms Bust/Waist/Hip Measurements - Character Relationships - Credits - Cutscenes - Endings - Openings - System Voice - Tournament Winners
Stages
Aerial Gardens - Bio Lab. - Danger Zone/Danger Zone 2 - Death Valley - Demon's Church - Dragon Hills - Great Opera - Miyama - Spiral - White Storm
PlayStation 2 (JPN) Crimson - Koku An - Prairie
Dreamcast (JPN) Burai Zenin - L's Castle
Hardcore versions Blanca - D Octagon - Iron Hell - Pancratium
Music
Dead or Alive 2 Original Sound Trax - PlayStation 2 Version
Character themes Arcade version "B-boy no "B" ~evolved from ++~" - "Blazed up Melpomene" - "Break the age" - "Grand style" - "Hitohira ~reminiscent of ketsui no toki~" - "Jintsuriki" - "Natural high" - "The shooted" - "TehuTehu" - "Ultimate weapon" - "Vigaku" - "YES or YES" - "You are under my control ~beautiful version 00~"
Console versions "B-boy no "B" ~evolved from ++~" - "Blazed up Melpomene" - "Break the age" - "Grand style" - "Hitohira ~reminiscent of ketsui no toki~" - "Jintsuriki" - "Natural high" - "The shooted" - "TehuTehu" - "Ultimate weapon" - "Vigaku" - "YES or YES" - "You are under my control ~beautiful version 00~"
Ending themes Arcade version "Achoism" - "Agitated by emotion" - "Father's blues" - "Glorious victory" - "Perfume of forest" - "Rhyme star"
Console versions "Achoism" - "Agitated by emotion" - "Father's blues" - "Glorious victory" - "Perfume of forest" - "Rhyme star"
Voice tracks (arcade version) "Ayane" - "Bass Armstrong" - "Ein" - "Gen Fu" - "Gohyakumine Bankotsubo" - "Helena" - "Jann Lee" - "Kasumi" - "Leifang" - "Leon" - "Ryu Hayabusa" - "System Voice" - "Tina Armstrong" - "Zack"
Other tracks Arcade version "D.O.A." - "Memoir" - "S.E. Collection + Hidden Track" - "Tengu-tai" - "Transcendence" - "What's my name?"
Console versions "Act Of Universe" - "D.O.A." - "Deadly Silence Beach" - "Densetsu no Hiken" - "Excelsior" - "Exciter" - "The Fist of TAIKYOKU Blows up" - "How do you feel?" - "Last JAM" - "Memoir" - "Tengu-mai" - "Transcendence" - "Type-XXX" - "What's my name?" - "You make me feel so good!"
Archives
Command Lists - CostumesFighter QuotesMerchandise - Promotional Artwork and Wallpapers - Survival Mode Items - Tag Throws
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Characters
Playable Kasumi - Ryu Hayabusa - Gen Fu - Helena Douglas - Tina Armstrong - Bass Armstrong - Zack - Leon - Jann Lee - Leifang - Ayane - Ein
Unlockable Bayman - Tengu - Hitomi
Non-playable characters Ayame - Genra - Hayate - Helena's mother - Kasumi α - Lauren - Raidou - Shiden
Terms
Gameplay modes Story - Time Attack - Survival - Tag Battle - Team Battle - Versus - Sparring - Watch - User Profiles - Battle Record - Collection - CG Gallery - Settings - Ranking - DOA Online - Booster
Gameplay terms Attacks - Boss Battles - Character Select - Combo - Counter Blow - Critical Hit - Danger Zone - Game Over - Holds - Knocked Out - Match - Name Entry - Replay - Side Stepping - Special Moves - Stages - Stances - Tag Throws - Throws - Triangle System
Plot subjects Dead or Alive World Combat Championship - DOATEC - Mugen Tenshin Ninja Clan - Project Alpha - Project Epsilon - Runaway shinobi - Shinobi - Tengu - Torn Sky Blast
Martial arts Jeet Kune Do - Karate - Ninjutsu - Pi qua quan - Pro-wrestling - Russian martial arts - T'ai chi quan - Tengu-do - Thai-style boxing - Xinyi liuhe quan
Other terms Blood Type - Bust/Waist/Hip Measurements - Character Relationships - Credits - Cutscenes - Endings - Openings - System Voice - Tournament Winners
Location
Stages Aerial Gardens - Aquarium - Burai ZeninCrimson - Cyclotron - Danger Zone - Demon's Church - DOATEC Germany - Downtown - Dragon Hills - Great Opera - Great Wall - Island - Koku An - Prairie - Ray House - Safari - Shrine - Suspension Bridge - White Storm - Yozakura
Story Mode stage Miyama
Non-playable locations Mugen Tenshin Village - Waterfall
Music
Dead or Alive Ultimate Original Sound Trax (Discs B and C)
Character themes "B-boy no "B" ~evolved from ++~" - "Blazed up Melpomene" - "Break the age" - "Grand style" - "Hitohira ~reminiscent of ketsui no toki~" - "It's to Show" - "Jintsuriki" - "Knifepoint" - "Natural high" - "The shooted" - "TehuTehu" - "Ultimate weapon" - "Vigaku" - "YES or YES" - "You are under my control ~beautiful version 00~"
Ending themes "Achoism" - "Agitated by emotion" - "Father's blues" - "Glorious victory" - "Perfume of forest" - "Rhyme star"
Ray House themes "Ayane Remix" - "Bass Remix" - "Bayman Remix" - "Ein Remix" - "Gen Fu Remix" - "Hayabusa Remix" - "Helena Remix" - "Jann Lee Remix" - "Kasumi Remix" - "Leifang Remix" - "Leon Remix" - "Tengu Remix" - "Tina Remix" - "Zack Remix"
Other tracks "D.O.A." - "Densetsu no Hike " - "Dream On" - "Excelsior" - "Last JAM" - "Link" - "Memoir" - "Tengu-mai" - "Transcendence" - "ULTIMATE" - "What's my name?" - "Wired" - "You make me feel so good!"
Archives
Command ListsCostumesFighter Quotes - Promotional Artwork and Wallpapers - Survival Mode Items - Tag Throws
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Characters
Playable Kasumi - Ayane - Hayate - Ein - Ryu Hayabusa - Helena Douglas - Christie - La Mariposa - Hitomi - Bayman - Kokoro - Jann Lee - Leifang - Tina Armstrong - Bass Armstrong - Zack - Eliot - Gen Fu - Brad Wong - Leon - Raidou - Genra - Alpha-152 - Kasumi α - Tengu
Secret character Shiden
Non-playable characters Anne - Ayame - Fame Douglas - Irene Lew - Lauren - Maria - Victor Donovan
Guest characters Ridley - Samus Aran
Terms
Gameplay modes Chronicle - Arcade - Survival - Tag Challenge - Free Play - Training - Local Play - Internet Play - Showcase - 3D Photo Album - Fight Record - Options
Gameplay terms Attacks - Boss Battles - Character Select - Combo - Counter Blow - Critical Hit - Danger Zone - Holds - Knocked Out - Match - Move Data - Side Stepping - Special Moves - Stages - Stances - Tag Throws - Throws - Triangle System
Plot subjects Dead or Alive World Combat Championship - DOATEC - Exiled shinobi - Mugen Tenshin Ninja Clan - Ninpo - Project Alpha - Project Epsilon - Project Omega - Runaway shinobi - Shinobi - Torn Sky Blast
Martial arts Ba ji quan - Combat Sambo - Drunken fist - Jeet Kune DoKarate - Lucha libre - Muay Thai - Ninjutsu - Pi gua quan - Pro-wrestling - Snake fist - Tai ji quan - Tengu-do - Xing yi quan - Xinyi liuhe quan
Other terms Blood Type - Bust/Waist/Hip Measurements - Character Relationships - Credits - Cutscenes - Endings - Figurines - Genra (wine) - Genra's tokkosho - System Voice - Tournament Winners
Locations
Stages 999 Meters - Azuchi - Danger Zone - Dojo - Eternal Helix - Fallen Miyama - Freedom Survivor - Frozen Peaks - Genetic Biolab (Advanced) - Geothermal Power Plant - Hellfire - Kyoto in Bloom - Lorelei - Sacred Miyama - Tao - Whitewater Valley
Non-playable locations Great Opera - Mugen Tenshin Village
Music
Character themes "Alpha-152" - "B-boy no "B"" - "Blood Tie" - "Break the age" - "Cracker" - "DEAD OR ALIVE" - "Grand style" - "Hitohira" - "Jintsuriki" - "Karma" - "Kasumi α's theme" - "Knifepoint" - "Monster" - "Moonlit Lady" - "Natural high" - "Red Moon" - "Reincarnate" - "Shiden's theme" - "The shooted" - "Successor" - "TehuTehu" - "Tribal Beats" - "Turn On The Lights" - "Vigaku" - "YES or YES" - "You are under my control"
Chronicle Mode tracks "Brave Heart" - "The Broken Arrows" - "Dance Of The Angel" - "DOATEC" - "Ketsui no Toki" - "Look Ahead" - "Tengu-mai" - "Unbroken Chains"
Other tracks "D.O.A." - "Dimensions Training" - "Vs. Ridley" - "Wired"
Archive
Command Lists - Costumes - Downloadable Content - Fighter Quotes - Merchandise - Promotional Artwork and Wallpaper - Tag Throws
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Characters
Playable Kasumi - Ayane - Hayate - Ryu Hayabusa - Helena Douglas - Christie - La Mariposa/Lisa Hamilton - Hitomi - Bayman - Kokoro - Jann Lee - Leifang - Tina Armstrong - Bass Armstrong/Mr. Strong - Zack - Eliot - Gen Fu - Brad Wong - Rig - Mila - Alpha-152
Story Mode characters False Kasumi
Guest characters Akira Yuki - Sarah Bryant - Pai Chan
Non-playable characters Miyako - Muramasa - Phase 4 - Victor Donovan
Terms
Gameplay modes Story - Versus Mode - Arcade - Time Attack - Survival - Training - Online - Spectator - Album - Fight Record - Mission - Options
Gameplay terms Attacks - Boss Battles - Character Select - Cliffhanger - Combo - Counter Blow - Critical Hit - Danger Zone - Holds - Knocked Out - Match - Move Data - Power Blow - Side Stepping - Special Moves - Stages - Stances - Tag Throws - Throws - Triangle System
Plot subjects DOATEC - Dead or Alive World Combat Championship - DIG - Freedom Survivor - MIST - Mugen Tenshin clan - Project Alpha - Project Epsilon - Runaway shinobi - Shinobi
Martial arts Ba ji quan (hakkyoku-ken) - Combat Sambo - Jeet Kune Do - Karate - Lucha libre - Mixed martial arts - Muay Thai - Ninjutsu - Pi gua quan - Professional wrestling - Snake fist - T'ai chi quan - Taekwondo - Xing yi quan - Xinyi liuhe quan - Ensei ken (yan qing quan) - Zui quan
Other terms Blood Type - Bust/Waist/Hip Measurements - Character Relationships - Credits - Cutscenes - Endings - Glasses - System Voice - Tournament Winners - Virtua Fighter
Locations
Stages Dead or Alive/Arrival - Depth - Dojo - The Ends of the Earth - Fighting Entertainment - Fuel - Home - Hot Zone - Lab - Sanctuary - Sakura - Scramble - The Show/The Tiger Show/Coming Soon - Street - Sweat - Temple of the Dragon/Sakura
DLC stage Zack Island
Non-playable locations Freedom Survivor - Johnny's Diner - Taylor's Bar
Music
Dead or Alive 5 Soundtrack - Vol.2
Stage themes "Accelerator" - "Alpha-152" - "Beginning to the End" - "Can't Stop This Feeling" - "Cascade" - "Dimensions Training" - "Fire Alarm" - "Gotta Move On" - "Graceful Sounds" - "Happy Funny Crazy" - "I Feel For You" - "Into the Abyss" - "Liberation" - "Light the Fuse" - "Like a Dragon" - "Knock You Down" - "Mist Knows" - "Niug-Nep Place" - "Oblivion" - "Polluted Air" - "Primitive Rhythm" - "Rapids" - "Scream" - "The Secret of Kung-Fu" - "Skyscraper" - "Tedious Days" - "Tiger's Family" - "Tradition"
Story Mode tracks "B-boy No "B" Remix" - "Cheerful Buddhist Priest" - "Collapse" - "Desperate Situation" - "False Fate" - "I'm a Fighter" - "Knifepoint" - "let's get it" - "Mentor" - "Monster" - "Moonlit Lady" - "Omen" - "Purity" - "Serpent Dance" - "Shade" - "The Storied Journey of the Boy and the Drunk" - "Successor" - "Superstar" - "Tribal Beats" - "Trip" - "The Way is Known ~DEAD OR ALIVE 5 Main Theme~" - "Vigaku" - "The Wind is Howling" - "Zany Zapper"
Other tracks "An Invisible Shadow" - "Dimensions Training" - "Link" - "Repetition" - "Showdown" - "Urges" - "Wired"
Character themes (5+ only) "Alpha-152" - "Drunk Wolf" - "Fang" - "Flowerbed" - "Hunter's Moon" - "I Feel For You" - "Machinations" - "Mentor" - "Moonlit Lady" - "Purity" - "The Roar of the Crowd" - "Russian Roulette" - "Serpent Dance" - "Shade" - "Solitary Desperation" - "Steel Horse Rider" - "Successor" - "Tribal Beats" - "Turn On The Lights" - "The Wind is Howling" - "Zany Zapper"
Archives
Achievements - Command Lists - Costumes - Downloadable Content - Fighter Quotes - Merchandise - Promotional Artwork and Wallpapers - Tag Throws

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